diff --git a/01-01.md b/01-01.md
index 7a6f2b1..c74e38d 100644
--- a/01-01.md
+++ b/01-01.md
@@ -10,12 +10,10 @@ chapter: '01'
 pages: 004-007
 ---
 
-*Part I* {align="center"}
---------
+# *Part I* {align="center"}
 
-Chapter 1\
+## Chapter 1\
  The Best Optimizer Is between Your Ears {#Heading1}
-----------------------------------------
 
 ### The Human Element of Code Optimization {#Heading2}
 
diff --git a/02-01.md b/02-01.md
index 4061918..346fb5a 100644
--- a/02-01.md
+++ b/02-01.md
@@ -10,9 +10,8 @@ chapter: '02'
 pages: 021-025
 ---
 
-Chapter 2\
+## Chapter 2\
  A World Apart {#Heading1}
---------------
 
 ### The Unique Nature of Assembly Language Optimization {#Heading2}
 
diff --git a/03-01.md b/03-01.md
index 841334c..8fb5817 100644
--- a/03-01.md
+++ b/03-01.md
@@ -10,9 +10,8 @@ chapter: '03'
 pages: 031-035
 ---
 
-Chapter 3\
+## Chapter 3\
  Assume Nothing {#Heading1}
----------------
 
 ### Understanding and Using the Zen Timer {#Heading2}
 
diff --git a/04-01.md b/04-01.md
index 0ce7db1..330dd46 100644
--- a/04-01.md
+++ b/04-01.md
@@ -10,9 +10,8 @@ chapter: '04'
 pages: 075-080
 ---
 
-Chapter 4\
+## Chapter 4\
  In the Lair of the Cycle-Eaters {#Heading1}
---------------------------------
 
 ### How the PC Hardware Devours Code Performance {#Heading2}
 
diff --git a/05-01.md b/05-01.md
index 40ec73c..be498fe 100644
--- a/05-01.md
+++ b/05-01.md
@@ -10,9 +10,8 @@ chapter: '05'
 pages: 111-115
 ---
 
-Chapter 5\
+## Chapter 5\
  Crossing the Border {#Heading1}
---------------------
 
 ### Searching Files with Restartable Blocks {#Heading2}
 
diff --git a/06-01.md b/06-01.md
index f75abf1..326f71f 100644
--- a/06-01.md
+++ b/06-01.md
@@ -10,9 +10,8 @@ chapter: '06'
 pages: 125-129
 ---
 
-Chapter 6\
+## Chapter 6\
  Looking Past Face Value {#Heading1}
-------------------------
 
 ### How Machine Instructions May Do More Than You Think {#Heading2}
 
diff --git a/07-01.md b/07-01.md
index 436e02d..aeab8f9 100644
--- a/07-01.md
+++ b/07-01.md
@@ -10,9 +10,8 @@ chapter: '07'
 pages: 136-139
 ---
 
-Chapter 7\
+## Chapter 7\
  Local Optimization {#Heading1}
--------------------
 
 ### Optimizing Halfway between Algorithms and Cycle Counting {#Heading2}
 
diff --git a/08-01.md b/08-01.md
index 3f26c8e..d6a727a 100644
--- a/08-01.md
+++ b/08-01.md
@@ -10,9 +10,8 @@ chapter: 08
 pages: 149-153
 ---
 
-Chapter 8\
+## Chapter 8\
  Speeding Up C with Assembly Language {#Heading1}
--------------------------------------
 
 ### Jumping Languages When You Know It'll Help {#Heading2}
 
diff --git a/09-01.md b/09-01.md
index d10928d..e8362a5 100644
--- a/09-01.md
+++ b/09-01.md
@@ -10,9 +10,8 @@ chapter: 09
 pages: 167-172
 ---
 
-Chapter 9\
+## Chapter 9\
  Hints My Readers Gave Me {#Heading1}
--------------------------
 
 ### Optimization Odds and Ends from the Field {#Heading2}
 
diff --git a/10-01.md b/10-01.md
index bf8c4af..345b128 100644
--- a/10-01.md
+++ b/10-01.md
@@ -10,9 +10,8 @@ chapter: '10'
 pages: 190-193
 ---
 
-Chapter 10\
+## Chapter 10\
  Patient Coding, Faster Code {#Heading1}
-----------------------------
 
 ### How Working Quickly Can Bring Execution to a Crawl {#Heading2}
 
diff --git a/11-01.md b/11-01.md
index 3e99973..76fb416 100644
--- a/11-01.md
+++ b/11-01.md
@@ -10,9 +10,8 @@ chapter: '11'
 pages: 205-210
 ---
 
-Chapter 11\
+## Chapter 11\
  Pushing the 286 and 386 {#Heading1}
-------------------------
 
 ### New Registers, New Instructions, New Timings, New Complications {#Heading2}
 
diff --git a/12-01.md b/12-01.md
index 0a1f6d9..9f36a3f 100644
--- a/12-01.md
+++ b/12-01.md
@@ -10,9 +10,8 @@ chapter: '12'
 pages: 233-237
 ---
 
-Chapter 12\
+## Chapter 12\
  Pushing the 486 {#Heading1}
-----------------
 
 ### It's Not Just a Bigger 386 {#Heading2}
 
diff --git a/13-01.md b/13-01.md
index 17301fb..b4341f8 100644
--- a/13-01.md
+++ b/13-01.md
@@ -10,9 +10,8 @@ chapter: '13'
 pages: 248-251
 ---
 
-Chapter 13\
+## Chapter 13\
  Aiming the 486 {#Heading1}
----------------
 
 ### Pipelines and Other Hazards of the High End {#Heading2}
 
diff --git a/14-01.md b/14-01.md
index c3d1003..e2dbf4c 100644
--- a/14-01.md
+++ b/14-01.md
@@ -10,9 +10,8 @@ chapter: '14'
 pages: 260-263
 ---
 
-Chapter 14\
+## Chapter 14\
  Boyer-Moore String Searching {#Heading1}
------------------------------
 
 ### Optimizing a Pretty Optimum Search Algorithm {#Heading2}
 
diff --git a/15-01.md b/15-01.md
index ffa71d3..13edd26 100644
--- a/15-01.md
+++ b/15-01.md
@@ -10,9 +10,8 @@ chapter: '15'
 pages: 279-284
 ---
 
-Chapter 15\
+## Chapter 15\
  Linked Lists and plain Unintended Challenges {#Heading1}
----------------------------------------------
 
 ### Unfamiliar Problems with Familiar Data Structures {#Heading2}
 
diff --git a/16-01.md b/16-01.md
index 5da2594..536c411 100644
--- a/16-01.md
+++ b/16-01.md
@@ -10,9 +10,8 @@ chapter: '16'
 pages: 295-300
 ---
 
-Chapter 16\
+## Chapter 16\
  There Ain't No Such Thing as the Fastest Code {#Heading1}
-----------------------------------------------
 
 ### Lessons Learned in the Pursuit of the Ultimate Word Counter {#Heading2}
 
diff --git a/17-01.md b/17-01.md
index 591e98e..4a05784 100644
--- a/17-01.md
+++ b/17-01.md
@@ -10,9 +10,8 @@ chapter: '17'
 pages: 322-325
 ---
 
-Chapter 17\
+## Chapter 17\
  The Game of Life {#Heading1}
------------------
 
 ### The Triumph of Algorithmic Optimization in a Cellular Automata Game {#Heading2}
 
diff --git a/18-01.md b/18-01.md
index b925aa4..8671662 100644
--- a/18-01.md
+++ b/18-01.md
@@ -10,9 +10,8 @@ chapter: '18'
 pages: 347-351
 ---
 
-Chapter 18\
+## Chapter 18\
  It's a plain Wonderful Life {#Heading1}
-----------------------------
 
 ### Optimization beyond the Pale {#Heading2}
 
diff --git a/19-01.md b/19-01.md
index 3949581..3ca3401 100644
--- a/19-01.md
+++ b/19-01.md
@@ -10,9 +10,8 @@ chapter: '19'
 pages: 369-373
 ---
 
-Chapter 19\
+## Chapter 19\
  Pentium: Not the Same Old Song {#Heading1}
--------------------------------
 
 ### Learning a Whole Different Set of Optimization Rules {#Heading2}
 
diff --git a/20-01.md b/20-01.md
index 4012022..2ee0638 100644
--- a/20-01.md
+++ b/20-01.md
@@ -10,9 +10,8 @@ chapter: '20'
 pages: 381-386
 ---
 
-Chapter 20\
+## Chapter 20\
  Pentium Rules {#Heading1}
---------------
 
 ### How Your Carbon-Based Optimizer Can Put the "Super" in Superscalar {#Heading2}
 
diff --git a/21-01.md b/21-01.md
index bc5d1f7..994f4bc 100644
--- a/21-01.md
+++ b/21-01.md
@@ -10,9 +10,8 @@ chapter: '21'
 pages: 397-402
 ---
 
-Chapter 21\
+## Chapter 21\
  Unleashing the Pentium's V-Pipe {#Heading1}
---------------------------------
 
 ### Focusing on Keeping Both Pentium Pipes Full {#Heading2}
 
diff --git a/22-01.md b/22-01.md
index cc9f3da..52916c5 100644
--- a/22-01.md
+++ b/22-01.md
@@ -10,9 +10,8 @@ chapter: '22'
 pages: 413-417
 ---
 
-Chapter 22\
+## Chapter 22\
  Zenning and the Flexible Mind {#Heading1}
-------------------------------
 
 ### Taking a Spin through What You've Learned {#Heading2}
 
diff --git a/23-01.md b/23-01.md
index 3714bc2..d626bd0 100644
--- a/23-01.md
+++ b/23-01.md
@@ -10,12 +10,10 @@ chapter: '23'
 pages: 423-427
 ---
 
-*Part II* {align="center"}
----------
+# *Part II* {align="center"}
 
-Chapter 23\
+## Chapter 23\
  Bones and Sinew {#Heading1}
-----------------
 
 ### At the Very Heart of Standard PC Graphics {#Heading2}
 
diff --git a/24-01.md b/24-01.md
index a4b7805..6ac6995 100644
--- a/24-01.md
+++ b/24-01.md
@@ -10,9 +10,8 @@ chapter: '24'
 pages: 449-453
 ---
 
-Chapter 24\
+## Chapter 24\
  Parallel Processing with the VGA {#Heading1}
----------------------------------
 
 ### Taking on Graphics Memory Four Bytes at a Time {#Heading2}
 
diff --git a/25-01.md b/25-01.md
index 7e97916..d14be2e 100644
--- a/25-01.md
+++ b/25-01.md
@@ -10,9 +10,8 @@ chapter: '25'
 pages: 461-466
 ---
 
-Chapter 25\
+## Chapter 25\
  VGA Data Machinery {#Heading1}
--------------------
 
 ### The Barrel Shifter, Bit Mask, and Set/Reset Mechanisms {#Heading2}
 
diff --git a/26-01.md b/26-01.md
index f830138..73a59b2 100644
--- a/26-01.md
+++ b/26-01.md
@@ -10,9 +10,8 @@ chapter: '26'
 pages: 481-484
 ---
 
-Chapter 26\
+## Chapter 26\
  VGA Write Mode 3 {#Heading1}
------------------
 
 ### The Write Mode That Grows on You {#Heading2}
 
diff --git a/27-01.md b/27-01.md
index 370d8fd..233767c 100644
--- a/27-01.md
+++ b/27-01.md
@@ -10,9 +10,8 @@ chapter: '27'
 pages: 499-504
 ---
 
-Chapter 27\
+## Chapter 27\
  Yet Another VGA Write Mode {#Heading1}
----------------------------
 
 ### Write Mode 2, Chunky Bitmaps,and Text-Graphics Coexistence {#Heading2}
 
diff --git a/28-01.md b/28-01.md
index 931ccdd..2cd6e9f 100644
--- a/28-01.md
+++ b/28-01.md
@@ -10,9 +10,8 @@ chapter: '28'
 pages: 523-526
 ---
 
-Chapter 28\
+## Chapter 28\
  Reading VGA Memory {#Heading1}
--------------------
 
 ### Read Modes 0 and 1, and the Color Don't Care Register {#Heading2}
 
diff --git a/29-01.md b/29-01.md
index efce246..144cfcc 100644
--- a/29-01.md
+++ b/29-01.md
@@ -10,9 +10,8 @@ chapter: '29'
 pages: 539-545
 ---
 
-Chapter 29\
+## Chapter 29\
  Saving Screens and Other VGA Mysteries {#Heading1}
----------------------------------------
 
 ### Useful Nuggets from the VGA Zen File {#Heading2}
 
diff --git a/30-01.md b/30-01.md
index 2506411..7fcd52d 100644
--- a/30-01.md
+++ b/30-01.md
@@ -10,9 +10,8 @@ chapter: '30'
 pages: 561-566
 ---
 
-Chapter 30\
+## Chapter 30\
  Video Est Omnis Divisa {#Heading1}
------------------------
 
 ### The Joys and Galling Problems of Using Split Screens on the EGA and VGA {#Heading2}
 
diff --git a/31-01.md b/31-01.md
index eff4113..8243074 100644
--- a/31-01.md
+++ b/31-01.md
@@ -10,9 +10,8 @@ chapter: '31'
 pages: 587-591
 ---
 
-Chapter 31\
+## Chapter 31\
  Higher 256-Color Resolution on the VGA {#Heading1}
----------------------------------------
 
 ### When Is 320x200 Really 320x400? {#Heading2}
 
diff --git a/32-01.md b/32-01.md
index 7ae966b..5a61156 100644
--- a/32-01.md
+++ b/32-01.md
@@ -10,9 +10,8 @@ chapter: '32'
 pages: 607-611
 ---
 
-Chapter 32\
+## Chapter 32\
  Be It Resolved: 360x480 {#Heading1}
-------------------------
 
 ### Taking 256-Color Modes About as Far as the Standard VGA Can Take Them {#Heading2}
 
diff --git a/33-01.md b/33-01.md
index c7ea8ea..5cfb4fb 100644
--- a/33-01.md
+++ b/33-01.md
@@ -10,9 +10,8 @@ chapter: '33'
 pages: 623-628
 ---
 
-Chapter 33\
+## Chapter 33\
  Yogi Bear and Eurythmics Confront VGA Colors {#Heading1}
----------------------------------------------
 
 ### The Basics of VGA Color Generation {#Heading2}
 
diff --git a/34-01.md b/34-01.md
index 1a34c70..0fe6fd2 100644
--- a/34-01.md
+++ b/34-01.md
@@ -10,9 +10,8 @@ chapter: '34'
 pages: 637-641
 ---
 
-Chapter 34\
+## Chapter 34\
  Changing Colors without Writing Pixels {#Heading1}
----------------------------------------
 
 ### Special Effects through Realtime Manipulation of DAC Colors {#Heading2}
 
diff --git a/35-01.md b/35-01.md
index 4ed450e..0c784f7 100644
--- a/35-01.md
+++ b/35-01.md
@@ -10,9 +10,8 @@ chapter: '35'
 pages: 653-658
 ---
 
-Chapter 35\
+## Chapter 35\
  Bresenham Is Fast, and Fast Is Good {#Heading1}
-------------------------------------
 
 ### Implementing and Optimizing Bresenham's Line-Drawing Algorithm {#Heading2}
 
diff --git a/36-01.md b/36-01.md
index a2035d4..9b32c9b 100644
--- a/36-01.md
+++ b/36-01.md
@@ -10,9 +10,8 @@ chapter: '36'
 pages: 679-683
 ---
 
-Chapter 36\
+## Chapter 36\
  The Good, the Bad, and the Run-Sliced {#Heading1}
---------------------------------------
 
 ### Faster Bresenham Lines with Run-Length Slice Line Drawing {#Heading2}
 
diff --git a/37-01.md b/37-01.md
index 3535daa..6d50149 100644
--- a/37-01.md
+++ b/37-01.md
@@ -10,9 +10,8 @@ chapter: '37'
 pages: 695-704
 ---
 
-Chapter 37\
+## Chapter 37\
  Dead Cats and Lightning Lines {#Heading1}
-------------------------------
 
 ### Optimizing Run-Length Slice Line Drawing in a Major Way {#Heading2}
 
diff --git a/38-01.md b/38-01.md
index 2bc096d..d616ab8 100644
--- a/38-01.md
+++ b/38-01.md
@@ -10,9 +10,8 @@ chapter: '38'
 pages: 707-712
 ---
 
-Chapter 38\
+## Chapter 38\
  The Polygon Primeval {#Heading1}
----------------------
 
 ### Drawing Polygons Efficiently and Quickly {#Heading2}
 
diff --git a/39-01.md b/39-01.md
index 11afe27..d240a5c 100644
--- a/39-01.md
+++ b/39-01.md
@@ -10,9 +10,8 @@ chapter: '39'
 pages: 723-727
 ---
 
-Chapter 39\
+## Chapter 39\
  Fast Convex Polygons {#Heading1}
----------------------
 
 ### Filling Polygons in a Hurry {#Heading2}
 
diff --git a/40-01.md b/40-01.md
index 39d6630..1dd7390 100644
--- a/40-01.md
+++ b/40-01.md
@@ -10,9 +10,8 @@ chapter: '40'
 pages: 739-744
 ---
 
-Chapter 40\
+## Chapter 40\
  Of Songs, Taxes, and the Simplicity of Complex Polygons {#Heading1}
---------------------------------------------------------
 
 ### Dealing with Irregular Polygonal Areas {#Heading2}
 
diff --git a/41-01.md b/41-01.md
index 17cfd91..72ee216 100644
--- a/41-01.md
+++ b/41-01.md
@@ -10,9 +10,8 @@ chapter: '41'
 pages: 757-761
 ---
 
-Chapter 41\
+## Chapter 41\
  Those Way-Down Polygon Nomenclature Blues {#Heading1}
-------------------------------------------
 
 ### Names Do Matter when You Conceptualize a Data Structure {#Heading2}
 
diff --git a/42-01.md b/42-01.md
index 3c5b4d5..655b19d 100644
--- a/42-01.md
+++ b/42-01.md
@@ -10,9 +10,8 @@ chapter: '42'
 pages: 773-778
 ---
 
-Chapter 42\
+## Chapter 42\
  Wu'ed in Haste; Fried, Stewed at Leisure {#Heading1}
------------------------------------------
 
 ### Fast Antialiased Lines Using Wu's Algorithm {#Heading2}
 
diff --git a/43-01.md b/43-01.md
index 924b0eb..5c145aa 100644
--- a/43-01.md
+++ b/43-01.md
@@ -10,9 +10,8 @@ chapter: '43'
 pages: 793-799
 ---
 
-Chapter 43\
+## Chapter 43\
  Bit-Plane Animation {#Heading1}
---------------------
 
 ### A Simple and Extremely Fast Animation Method for Limited Color {#Heading2}
 
diff --git a/44-01.md b/44-01.md
index da1b79f..51d6627 100644
--- a/44-01.md
+++ b/44-01.md
@@ -10,9 +10,8 @@ chapter: '44'
 pages: 817-820
 ---
 
-Chapter 44\
+## Chapter 44\
  Split Screens Save the Page Flipped Day {#Heading1}
-----------------------------------------
 
 ### 640x480 Page Flipped Animation in 64K...Almost {#Heading2}
 
diff --git a/45-01.md b/45-01.md
index 2dbd8f0..ba1b74d 100644
--- a/45-01.md
+++ b/45-01.md
@@ -10,9 +10,8 @@ chapter: '45'
 pages: 839-843
 ---
 
-Chapter 45\
+## Chapter 45\
  Dog Hair and Dirty Rectangles {#Heading1}
-------------------------------
 
 ### Different Angles on Animation {#Heading2}
 
diff --git a/46-01.md b/46-01.md
index 0898085..ad06952 100644
--- a/46-01.md
+++ b/46-01.md
@@ -10,9 +10,8 @@ chapter: '46'
 pages: 859-862
 ---
 
-Chapter 46\
+## Chapter 46\
  Who Was that Masked Image? {#Heading1}
----------------------------
 
 ### Optimizing Dirty-Rectangle Animation {#Heading2}
 
diff --git a/47-01.md b/47-01.md
index c44c863..b5b1b0f 100644
--- a/47-01.md
+++ b/47-01.md
@@ -10,9 +10,8 @@ chapter: '47'
 pages: 875-879
 ---
 
-Chapter 47\
+## Chapter 47\
  Mode X: 256-Color VGA Magic {#Heading1}
-----------------------------
 
 ### Introducing the VGA's Undocumented "Animation-Optimal" Mode {#Heading2}
 
diff --git a/48-01.md b/48-01.md
index 9efe75e..de740b1 100644
--- a/48-01.md
+++ b/48-01.md
@@ -10,9 +10,8 @@ chapter: '48'
 pages: 895-900
 ---
 
-Chapter 48\
+## Chapter 48\
  Mode X Marks the Latch {#Heading1}
------------------------
 
 ### The Internals of Animation's Best Video Display Mode {#Heading2}
 
diff --git a/49-01.md b/49-01.md
index f0382ef..d426df5 100644
--- a/49-01.md
+++ b/49-01.md
@@ -10,9 +10,8 @@ chapter: '49'
 pages: 913-918
 ---
 
-Chapter 49\
+## Chapter 49\
  Mode X 256-Color Animation {#Heading1}
----------------------------
 
 ### How to Make the VGA Really Get up and Dance {#Heading2}
 
diff --git a/50-01.md b/50-01.md
index 5797324..fda87c5 100644
--- a/50-01.md
+++ b/50-01.md
@@ -10,9 +10,8 @@ chapter: '50'
 pages: 931-935
 ---
 
-Chapter 50\
+## Chapter 50\
  Adding a Dimension {#Heading1}
--------------------
 
 ### 3-D Animation Using Mode X {#Heading2}
 
diff --git a/51-01.md b/51-01.md
index 473be49..ce2089a 100644
--- a/51-01.md
+++ b/51-01.md
@@ -10,9 +10,8 @@ chapter: '51'
 pages: 951-955
 ---
 
-Chapter 51\
+## Chapter 51\
  Sneakers in Space {#Heading1}
-------------------
 
 ### Using Backface Removal to Eliminate Hidden Surfaces {#Heading2}
 
diff --git a/52-01.md b/52-01.md
index f539799..6698cfc 100644
--- a/52-01.md
+++ b/52-01.md
@@ -10,9 +10,8 @@ chapter: '52'
 pages: 969-972
 ---
 
-Chapter 52\
+## Chapter 52\
  Fast 3-D Animation: Meet X-Sharp {#Heading1}
----------------------------------
 
 ### The First Iteration of a Generalized 3-D Animation Package {#Heading2}
 
diff --git a/53-01.md b/53-01.md
index 9d5908c..0eab67e 100644
--- a/53-01.md
+++ b/53-01.md
@@ -10,9 +10,8 @@ chapter: '53'
 pages: 989-992
 ---
 
-Chapter 53\
+## Chapter 53\
  Raw Speed and More {#Heading1}
--------------------
 
 ### The Naked Truth About Speed in 3-D Animation {#Heading2}
 
diff --git a/54-01.md b/54-01.md
index 60ce634..f62b736 100644
--- a/54-01.md
+++ b/54-01.md
@@ -10,9 +10,8 @@ chapter: '54'
 pages: 1005-1008
 ---
 
-Chapter 54\
+## Chapter 54\
  3-D Shading {#Heading1}
-------------
 
 ### Putting Realistic Surfaces on Animated 3-D Objects {#Heading2}
 
diff --git a/55-01.md b/55-01.md
index 9db16d8..063db40 100644
--- a/55-01.md
+++ b/55-01.md
@@ -10,9 +10,8 @@ chapter: '55'
 pages: 1031-1035
 ---
 
-Chapter 55\
+## Chapter 55\
  Color Modeling in 256-Color Mode {#Heading1}
----------------------------------
 
 ### Pondering X-Sharp's Color Model in an RGB State of Mind {#Heading2}
 
diff --git a/56-01.md b/56-01.md
index c7015cd..ca3b3b3 100644
--- a/56-01.md
+++ b/56-01.md
@@ -10,9 +10,8 @@ chapter: '56'
 pages: 1046-1050
 ---
 
-Chapter 56\
+## Chapter 56\
  Pooh and the Space Station {#Heading1}
----------------------------
 
 ### Using Fast Texture Mapping to Place Pooh on a Polygon {#Heading2}
 
diff --git a/57-01.md b/57-01.md
index 65b4fa9..0ba3019 100644
--- a/57-01.md
+++ b/57-01.md
@@ -10,9 +10,8 @@ chapter: '57'
 pages: 1061-1065
 ---
 
-Chapter 57\
+## Chapter 57\
  10,000 Freshly Sheared Sheep on the Screen {#Heading1}
--------------------------------------------
 
 ### The Critical Role of Experience in Implementing Fast, Smooth Texture Mapping {#Heading2}
 
diff --git a/58-01.md b/58-01.md
index 0aad4a9..77359c9 100644
--- a/58-01.md
+++ b/58-01.md
@@ -10,9 +10,8 @@ chapter: '58'
 pages: 1077-1081
 ---
 
-Chapter 58\
+## Chapter 58\
  Heinlein's Crystal Ball, Spock's Brain, and the 9-Cycle Dare {#Heading1}
--------------------------------------------------------------
 
 ### Using the Whole-Brain Approach to Accelerate Texture Mapping {#Heading2}
 
diff --git a/59-01.md b/59-01.md
index 88aff0a..fc6bc99 100644
--- a/59-01.md
+++ b/59-01.md
@@ -10,9 +10,8 @@ chapter: '59'
 pages: 1095-1099
 ---
 
-Chapter 59\
+## Chapter 59\
  The Idea of BSP Trees {#Heading1}
-----------------------
 
 ### What BSP Trees Are and How to Walk Them {#Heading2}
 
diff --git a/60-01.md b/60-01.md
index d53d201..29bde52 100644
--- a/60-01.md
+++ b/60-01.md
@@ -10,9 +10,8 @@ chapter: '60'
 pages: 1115-1119
 ---
 
-Chapter 60\
+## Chapter 60\
  Compiling BSP Trees {#Heading1}
---------------------
 
 ### Taking BSP Trees from Concept to Reality {#Heading2}
 
diff --git a/61-01.md b/61-01.md
index 66a4334..04d4259 100644
--- a/61-01.md
+++ b/61-01.md
@@ -10,9 +10,8 @@ chapter: '61'
 pages: 1131-1135
 ---
 
-Chapter 61\
+## Chapter 61\
  Frames of Reference {#Heading1}
---------------------
 
 ### The Fundamentals of the Math behind 3-D Graphics {#Heading2}
 
diff --git a/62-01.md b/62-01.md
index 6d33c8b..e4e8774 100644
--- a/62-01.md
+++ b/62-01.md
@@ -10,9 +10,8 @@ chapter: '62'
 pages: 1145-1149
 ---
 
-Chapter 62\
+## Chapter 62\
  One Story, Two Rules, and a BSP Renderer {#Heading1}
------------------------------------------
 
 ### Taking a Compiled BSP Tree from Logical to Visual Reality {#Heading2}
 
diff --git a/63-01.md b/63-01.md
index 35fe796..597a512 100644
--- a/63-01.md
+++ b/63-01.md
@@ -10,9 +10,8 @@ chapter: '63'
 pages: 1163-1167
 ---
 
-Chapter 63\
+## Chapter 63\
  Floating-Point for Real-Time 3-D {#Heading1}
----------------------------------
 
 ### Knowing When to Hurl Conventional Math Wisdom Out the Window {#Heading2}
 
diff --git a/64-01.md b/64-01.md
index 4338190..e26976b 100644
--- a/64-01.md
+++ b/64-01.md
@@ -10,9 +10,8 @@ chapter: '64'
 pages: 1177-1181
 ---
 
-Chapter 64\
+## Chapter 64\
  Quake's Visible-Surface Determination {#Heading1}
---------------------------------------
 
 ### The Challenge of Separating All Things Seen from All Things Unseen {#Heading2}
 
diff --git a/65-01.md b/65-01.md
index 2a6bfd2..0f59b00 100644
--- a/65-01.md
+++ b/65-01.md
@@ -10,9 +10,8 @@ chapter: '65'
 pages: 1191-1195
 ---
 
-Chapter 65\
+## Chapter 65\
  3-D Clipping and Other Thoughts {#Heading1}
---------------------------------
 
 ### Determining What's Inside Your Field of View {#Heading2}
 
diff --git a/66-01.md b/66-01.md
index dd33bd2..a6c1ad9 100644
--- a/66-01.md
+++ b/66-01.md
@@ -10,9 +10,8 @@ chapter: '66'
 pages: 1209-1213
 ---
 
-Chapter 66\
+## Chapter 66\
  Quake's Hidden-Surface Removal {#Heading1}
--------------------------------
 
 ### Struggling with Z-Order Solutions to the Hidden Surface Problem {#Heading2}
 
diff --git a/67-01.md b/67-01.md
index fe1e4c3..33af007 100644
--- a/67-01.md
+++ b/67-01.md
@@ -10,9 +10,8 @@ chapter: '67'
 pages: 1223-1227
 ---
 
-Chapter 67\
+## Chapter 67\
  Sorted Spans in Action {#Heading1}
------------------------
 
 ### Implementing Independent Span Sorting for Rendering without Overdraw {#Heading2}
 
diff --git a/68-01.md b/68-01.md
index f8d29ae..de7940a 100644
--- a/68-01.md
+++ b/68-01.md
@@ -10,9 +10,8 @@ chapter: '68'
 pages: 1243-1247
 ---
 
-Chapter 68\
+## Chapter 68\
  Quake's Lighting Model {#Heading1}
------------------------
 
 ### A Radically Different Approach to Lighting Polygons {#Heading2}
 
diff --git a/69-01.md b/69-01.md
index 5298eb0..a535679 100644
--- a/69-01.md
+++ b/69-01.md
@@ -10,9 +10,8 @@ chapter: '69'
 pages: 1257-1261
 ---
 
-Chapter 69\
+## Chapter 69\
  Surface Caching and Quake's Triangle Models {#Heading1}
---------------------------------------------
 
 ### Probing Hardware-Assisted Surfaces and Fast Model Animation Without Sprites {#Heading2}
 
diff --git a/70-01.md b/70-01.md
index 4512c28..3a2772c 100644
--- a/70-01.md
+++ b/70-01.md
@@ -10,9 +10,8 @@ chapter: '70'
 pages: 1273-1277
 ---
 
-Chapter 70\
+## Chapter 70\
  Quake: A Post-Mortem and a Glimpse into the Future {#Heading1}
----------------------------------------------------
 
 *Why did not any of the children in the first group think of this faster
 method of going across the room? It is simple. They looked at what they
diff --git a/about.md b/about.md
index c37ea1c..ed09034 100644
--- a/about.md
+++ b/about.md
@@ -8,8 +8,7 @@ category: 'Web and Software Development: Game Development,Web and Software Devel
   Graphics and Multimedia Development'
 ---
 
-Foreword {#Heading1}
---------
+# Foreword {#Heading1}
 
 I got my start programming on Apple II computers at school, and almost
 all of my early work was on the Apple platform. After graduating, it
diff --git a/about_author.md b/about_author.md
index b236d90..0fe0709 100644
--- a/about_author.md
+++ b/about_author.md
@@ -8,8 +8,7 @@ category: 'Web and Software Development: Game Development,Web and Software Devel
   Graphics and Multimedia Development'
 ---
 
-Acknowledgments {#Heading1}
----------------
+# Acknowledgments {#Heading1}
 
 There are many people to thank—because this book was written over many
 years, in many different settings, an unusually large number of people
diff --git a/appendix-a.md b/appendix-a.md
index 8fc11ff..f5cbc6a 100644
--- a/appendix-a.md
+++ b/appendix-a.md
@@ -8,8 +8,7 @@ category: 'Web and Software Development: Game Development,Web and Software Devel
   Graphics and Multimedia Development'
 ---
 
-Afterword {#Heading1}
----------
+# Afterword {#Heading1}
 
 If you've followed me this far, you might agree that we've come through
 some rough country. Still, I'm of the opinion that hard-won knowledge is
diff --git a/book-index.md b/book-index.md
index 2b49cd4..a1d01ad 100644
--- a/book-index.md
+++ b/book-index.md
@@ -8,8 +8,7 @@ category: 'Web and Software Development: Game Development,Web and Software Devel
   Graphics and Multimedia Development'
 ---
 
-Index {#Heading1}
------
+# Index {#Heading1}
 
 **Numbers**
 
diff --git a/index.md b/index.md
index 94a1dfc..59c185e 100644
--- a/index.md
+++ b/index.md
@@ -10,8 +10,7 @@ chapter: '0'
 pages: '0'
 ---
 
-Michael Abrash's Graphics Programming Black Book Special Edition
-----------------------------------------------------------------
+# Michael Abrash's Graphics Programming Black Book Special Edition
 
 1.  [Introduction](intro.html)
 2.  [Foreword](about.html)
diff --git a/intro.md b/intro.md
index b855db3..ef60d6c 100644
--- a/intro.md
+++ b/intro.md
@@ -8,8 +8,7 @@ category: 'Web and Software Development: Game Development,Web and Software Devel
   Graphics and Multimedia Development'
 ---
 
-Introduction {#Heading1}
-------------
+# Introduction {#Heading1}
 
 What was it like working with John Carmack on Quake? Like being strapped
 onto a rocket during takeoff—in the middle of a hurricane. It seemed