Developing Backbone.js Applications

Want to learn Backbone.js framework and how to develop applications using it? Here is a work in progress book that you can read online.

From the author:

Welcome to my (in-progress) book about the Backbone.js framework for structuring JavaScript applications. It's released under a Creative Commons Attribution-NonCommercial-ShareAlike 3.0 Unported license meaning you can both grab a copy of the book for free or help to further improve it.