Pro Git book, written by Scott Chacon and Ben Straub

Pro Git (Second Edition) is your fully-updated guide to Git and its usage in the modern world. Effective and well-implemented version control is a necessity for successful web projects, whether large or small. With this book you’ll learn how to master the world of distributed version workflow, use the distributed features of Git to the full, and extend Git to meet your every need.

The entire Pro Git book, written by Scott Chacon and Ben Straub and published by Apress, is available here. All content is licensed under the Creative Commons Attribution Non Commercial Share Alike 3.0 license. Print versions of the book are available on Amazon.
The version found here has been updated with corrections and additions from hundreds of contributors.

If you see an error or have a suggestion, patches and issues are welcome in its GitHub repository.