The book is written in a Cookbook style, presenting examples in the style of recipes, allowing you to go directly to your topic of interest or follow topics throughout a chapter to gain in-depth knowledge. Sencha Touch Cookbook (2nd edition) is great for developers who are new to Sencha Touch and who are looking to get a good hold on what the Sencha Touch framework offers and how to use it to build a great touch-based mobile application running on different platforms. It is assumed that you will have some experience in HTML, CSS, DOM, and JavaScript. To truly appreciate the framework capability and take full advantage of the book, readers are expected to have one or more mobile devices.