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README.md

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+# Mastering Bitcoin
+
+Mastering Bitcoin is a book for developers, but the first two chapters cover bitcoin at a level that is approachable to non-programmers. Anyone with a basic understanding of technology can read the first two chapters and get a great understanding of bitcoin. 
+
+# Contributing
+
+To contribute to this book, please fork and make changes to your forked copy, then submit a pull request. Or alternatively, if you cannot use the github.com pull request system, submit an Issue from the menu on the right. Major contributions will receive an acknowledgment in the preface of the book. 
+
+# Purchasing
+
+"Mastering Bitcoin" will be available in print and e-book format in Fall 2014. To pre-order your copy, please visit:
+
+http://bitcoinbook.info