Books for Java Technology

EJB Book

Manning.EJB.3.in.Action.
HeadFirst EJB

Java Script

Head first Java Script

Java Server Faces (JSF)

Manning.JavaServer.Faces.in.Action
Java Server Faces 3 in Action
O'Reilly - JavaServer Faces

Design Patterns

Design_Patterns_Explained
Design.Patterns.For.Dummies.
Wiley - Java Enterprise Design Patterns - Patterns in Java

Struts

Manning.Struts.2.in.Action.

Java Expressions

Apress.Java.Regular.Expressions.Taming.the.java.Dot.util.Dot.regex.Engine

Core Java

Prentice Hall - Core Java 2 Volume II Advanced Features

Spring FrameWork

Apress.Beginning.Spring.2.From.Novice.To.Professional.
Expert Spring MVC and Web Flow - Apress.
Manning.Spring.in.Action.2nd.Edition.
Professional Java Development with the Spring Framework - Wrox

Hibernate

Hibernate.In.Action.
OReilly.Harnessing.Hibernate.

Ajax

Ajax Intro.
Head Rush Ajax.

Other Books

AspectJ cook book
Oreilly Java Power Tools
Oreilly.Ant.The.Definitive.Guide.2nd.Edition.