If you want a step-by-step guide to Java Web development with the developer-friendly Apache Tapestry framework, then you have the right book published by PACKT publishing.
Tapestry 5: Building Web Applications written by Alexander Kolesnikov is a practical step-by-step tutorial for those who want to build contemporary, real-life web applications with Tapestry 5, the Apache open-source framework for creating dynamic, robust, highly scalable web applications in Java. It shows the path of least resistance, so that the reader can learn all the essential skills quickly and easily. To give the reader an initial practical experience, a simple but useful web application is built throughout the chapters.
This book is for those who want to build sophisticated Java web applications quickly and easily. It assumes that the reader is reasonably comfortable with the Java programming language, but no knowledge of web technologies is needed. For experienced Servlet, JSP, or Struts developers, the book will show an alternative way that will allow them to raise their productivity to an incomparable level. With this book you will see that a contemporary component-based framework can be easy to learn and a pleasure to work with.
Here are some links for more details:
Tapestry 5: Building Web Applications URL: http://www.packtpub.com/tapestry-5/book