diff --git a/.gitignore b/.gitignore
index 7ff1b30..5caeec6 100644
--- a/.gitignore
+++ b/.gitignore
@@ -1,4 +1,3 @@
*~
*.scheme
-_site
-_org
+index.org
\ No newline at end of file
diff --git a/1-1.org b/1-1.org
index 160d93c..2a724b7 100644
--- a/1-1.org
+++ b/1-1.org
@@ -1,9 +1,4 @@
-#+BEGIN_HTML
----
-title: 1.1 - The Elements of Programming
-layout: org
----
-#+END_HTML
+#+TITLE: 1.1 - The Elements of Programming
* Code
#+BEGIN_SRC scheme :tangle yes
diff --git a/1-2.org b/1-2.org
index c14c6ea..c803e4a 100644
--- a/1-2.org
+++ b/1-2.org
@@ -1,9 +1,4 @@
-#+BEGIN_HTML
----
-title: 1.2 - Procedures and the Processes They Generate
-layout: org
----
-#+END_HTML
+#+TITLE: 1.2 - Procedures and the Processes They Generate
* Linear Recursion and Iteration
diff --git a/1-3.org b/1-3.org
index 80bc638..9e1dfdb 100644
--- a/1-3.org
+++ b/1-3.org
@@ -1,9 +1,4 @@
-#+BEGIN_HTML
----
-title: 1.3 - Formulating Abstractions with Higher-Order Procedures
-layout: org
----
-#+END_HTML
+#+TITLE: 1.3 - Formulating Abstractions with Higher-Order Procedures
* Procedures as Arguments
diff --git a/2-1.org b/2-1.org
index 23468c6..4ef944c 100644
--- a/2-1.org
+++ b/2-1.org
@@ -1,9 +1,4 @@
-#+BEGIN_HTML
----
-title: 2.1 - Introduction to Data Abstraction
-layout: org
----
-#+END_HTML
+#+TITLE: 2.1 - Introduction to Data Abstraction
* Example: Arithmetic Operations for Rational Numbers
diff --git a/2-2.org b/2-2.org
index 404d980..ed4dee1 100644
--- a/2-2.org
+++ b/2-2.org
@@ -1,9 +1,4 @@
-#+BEGIN_HTML
----
-title: 2.2 - Hierarchical Data and the Closure Property
-layout: org
----
-#+END_HTML
+#+TITLE: 2.2 - Hierarchical Data and the Closure Property
* Representing Sequences
** List Operations
diff --git a/2-3.org b/2-3.org
index a0e7bbb..8c521a0 100644
--- a/2-3.org
+++ b/2-3.org
@@ -1,9 +1,4 @@
-#+BEGIN_HTML
----
-title: 2.3 - Symbolic Data
-layout: org
----
-#+END_HTML
+#+TITLE: 2.3 - Symbolic Data
* Quotation
** Exercise 2.53
diff --git a/2-4.org b/2-4.org
index 446a122..67364bd 100644
--- a/2-4.org
+++ b/2-4.org
@@ -1,9 +1,4 @@
-#+BEGIN_HTML
----
-title: 2.4 - Multiple Representations for Abstract Data
-layout: org
----
-#+END_HTML
+#+TITLE: 2.4 - Multiple Representations for Abstract Data
* Representations for Complex Numbers
* Tagged Data
diff --git a/github-icon.svg b/github-icon.svg
new file mode 100644
index 0000000..0754c8a
--- /dev/null
+++ b/github-icon.svg
@@ -0,0 +1,11 @@
+
diff --git a/twitter-icon.svg b/twitter-icon.svg
new file mode 100644
index 0000000..6bb0eaf
--- /dev/null
+++ b/twitter-icon.svg
@@ -0,0 +1,9 @@
+