Good Books On Testing   

Introductory

• "Pragmatic Unit Testing in Java with JUnit" by Andy Hunt, Dave Thomas

http://www.coderanch.com/t/93627/Book-Reviews/Pragmatic-Unit-Testing-Java-with

• "Unit Testing in Java" by Johannes Link, Peter Fröhlich

http://www.javaranch.com/bunkhouse/bookSearch.jsp?isbn=1558608680

• "JUnit in Action" by Vincent Massol, Ted Husted

http://www.javaranch.com/bunkhouse/bookSearch.jsp?isbn=1930110995

• "Test-Driven Development by Example" by Kent Beck

http://www.javaranch.com/bunkhouse/bookSearch.jsp?isbn=0321146530

• "Test Driven Development: A Practical Guide" by David Astels

http://www.javaranch.com/bunkhouse/bookSearch.jsp?isbn=0131016490

References

• "JUnit Recipes" by J.B. Rainsberger

http://www.coderanch.com/t/93687/Book-Reviews/JUnit-Recipes-Practical-Methods-Programmer

Testing Web Applications

• "Java Testing and Design" by Frank Cohen

http://www.javaranch.com/bunkhouse/bookSearch.jsp?isbn=0131421891

• "Testing Applications on the Web" by Hung Q. Nguyen

http://www.javaranch.com/bunkhouse/bookSearch.jsp?isbn=047139470X