The book will be covering the Tomahawk, Trinidad, Orchestra and Extensions Validator subprojects of MyFaces. Throughout the book, Facelets will be used as view technology. That makes the book not only an essential resource for developers that use MyFaces, but also an excellent source of Facelets examples.
You can find more information about the contents of the book at the information page over on the Packt Publishing website. You can also pre order the book via this website.