You can use this page to email Bryan Bibat about Rails 3.0: A Student Manual.
About the Book
This is an outdated book. (The current version of Rails is 4.0.4)
The old book converted for Leanpub, with minor typos corrected.
While the book is still free for online viewing, you can also purchase the e-book as a way of showing your support. Proceeds will go towards the updated versions of this manual and the other books I'm planning to write in the future.