This guide to Xamarin.Forms gives an introduction for developers that might be new to the field of cross-platform mobile app development. It also serves as a handy reference for the more advanced developers. The book contains 41 self-containing apps with 264 automatically extracted code snippets. With a copy of the book you get free access to the GitHub repository containing the workspace with all compiling solutions and source code. This not only lets you play with the examples contained in the book, but gives you early access to new demos for future book editions.