diff --git a/Makefile b/Makefile
index 630ca49968ead05fd208d4879dc1aab1c0cc2574..12b1cab09bb4a3d08bd0f5e72f9a01ee1afcda7c 100644
--- a/Makefile
+++ b/Makefile
@@ -4,7 +4,7 @@ PANDOCFLAGS = \
 	--standalone \
 	--pdf-engine=xelatex \
 
-SOURCES_MD = $(wildcard chapter*.md)
+SOURCES_MD = $(sort $(wildcard chapter-*.md))
 
 default: all
 
diff --git a/chapter-markdown.md b/chapter-1-introduction.md
similarity index 95%
rename from chapter-markdown.md
rename to chapter-1-introduction.md
index 44c098212a69d089fe5eb6875a320259ab2887db..a4754aa1c50a0b991be52ebc8816de69f68471a5 100644
--- a/chapter-markdown.md
+++ b/chapter-1-introduction.md
@@ -1,7 +1,8 @@
-Markdown
-========
+Introduction
+============
 
-This is a first level header.
+This introduction serves as a Markdown Cheat Sheet. The header above is a first
+level header.
 
 Header Level
 ------------
diff --git a/chapter-2-methods.md b/chapter-2-methods.md
new file mode 100644
index 0000000000000000000000000000000000000000..a1cd9fdece9cd76936dd1a3ea4043a19831b5f5c
--- /dev/null
+++ b/chapter-2-methods.md
@@ -0,0 +1,2 @@
+Methods
+=======
diff --git a/chapter-3-results.md b/chapter-3-results.md
new file mode 100644
index 0000000000000000000000000000000000000000..455a6c889ec2bbeb53bf89a9c4fb7c4b8325dc5f
--- /dev/null
+++ b/chapter-3-results.md
@@ -0,0 +1,2 @@
+Results
+=======
diff --git a/chapter-4-discussion.md b/chapter-4-discussion.md
new file mode 100644
index 0000000000000000000000000000000000000000..8241e42bbeeeea4989f7335fce2d78b35595f321
--- /dev/null
+++ b/chapter-4-discussion.md
@@ -0,0 +1,2 @@
+Discussion
+==========