Jonna Sudheer Jonna 
Learning PrimeFaces Extensions Development [EPUB ebook] 

This book provides a step by step approach that explains the most important extension components and their features. All the major features are explained by using the Job Hub application with supporting screenshots. If you are an intermediate to advanced level user (or developer) who already has a basic working knowledge of Prime Faces, then this book is for you. The only thing you need to know is Java Server Faces(JSF).