One of the things I've added is the Wicket starter kit. This kit contains three books that should be present in your cupboard when developing Wicket applications:
- Wicket in Action
- Spring in Action
- Java Persistence with Hibernate
I think these three books provide you with the stack of choice for Java web development: Apache Wicket, Spring and Hibernate. Since not everybody is a starter I've also compiled a couple of lists with books that complement Wicket as a technology. For example:
Enjoy these books!