diff --git a/LICENSE b/LICENSE
new file mode 100644
index 0000000..388dad7
--- /dev/null
+++ b/LICENSE
@@ -0,0 +1,5 @@
+CC BY 3.0
+<http://creativecommons.org/licenses/by/3.0/>
+
+Linking to <https://github.com/alindeman/upgradingtorails4> and
+<http://upgradingtorails4.com> is appropriate for attribution.
diff --git a/README.md b/README.md
new file mode 100644
index 0000000..8d5b691
--- /dev/null
+++ b/README.md
@@ -0,0 +1,43 @@
+# Upgrading To Rails 4
+
+An e-book covering the deprecations, new features and common upgrading
+scenarios facing developers upgrading from Rails 3 to Rails 4.
+
+Originally written by [Andy Lindeman](http://andylindeman.com) and now released
+under [CC BY 3.0](http://creativecommons.org/licenses/by/3.0/).
+
+Where should you go from here?
+* Buy the PDF, ePub, and mobi versions of book at
+  <http://upgradingtorails4.com>. **Proceeds since the book was open sourced
+  will be donated to <http://cfy.org/>.** You'll receive periodic updates
+  as the content is updated in this repository.
+* [Build the book yourself](#build-toolchain).
+* Contribute to the book. [Pull requests
+  accepted](https://github.com/alindeman/upgradingtorails4/pulls).
+
+## Build Toolchain
+
+[kitabu](https://github.com/fnando/kitabu) can export ePub and HTML by default.
+
+```bash
+$ bundle install
+$ bundle exec kitabu export
+$ ls output/
+```
+
+As you're hacking on the book, you can have it generate automatically:
+
+```bash
+$ bundle exec guard
+```
+
+### PDF
+
+PrinceXML is required to build the PDF version of the book. A trial version is
+available at [princexml.com](http://www.princexml.com/download/).
+
+### mobi
+
+KindleGen is required to build the mobi version of the book. KindleGen can be
+downloaded [from
+Amazon](http://www.amazon.com/gp/feature.html?docId=1000765211).
diff --git a/config/kitabu.yml b/config/kitabu.yml
index e8e2f32..966df45 100644
--- a/config/kitabu.yml
+++ b/config/kitabu.yml
@@ -13,7 +13,7 @@ language: en
 #   This work is licensed under a Creative Commons Attribution-NonCommercial-NoDerivs 3.0 Unported License.
 #   This work is licensed under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported License.
 #
-copyright: "Copyright (C) 2012 Andy Lindeman."
+copyright: "Copyright (C) 2012-2013 Andy Lindeman. Licensed under CC BY 3.0."
 
 # Who's publishing this book.
 publisher: "Andy Lindeman"
@@ -41,4 +41,4 @@ authors:
   - "Andy Lindeman"
 
 # The base URL from your source code.
-base_url: http://example.com
+base_url: https://github.com/alindeman/upgradingtorails4