This week's book giveaway is in the OCAJP 8 forum. We're giving away four copies of OCA Java SE 8 Programmer I Study Guide and have Edward Finegan & Robert Liguori on-line! See this thread for details.
Second: Sang Shin, has a complete list of tutorials on lectures on Web Services, that covers more than 80% of the objectives of the exam. I used these tutorials as the main preparation material for the exam. This man is impressive as he has deep understanding of Web Services (By the way, his works as Java Technology Architect at Sunmicrosystems)
Forth: The study guide by Ivan Crizsan and the Mock Exam by Maikili Zakin is a good source of information (Specially the last two chapters from Ivan book), and also if you look at Maikili Mock exam you will earn a lot of knowledge (Most appreciated for his efforts)
Some tutorials here and there to understand things I could not understand else where: