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.
If you do not have prior EJB knowledge, then pick up EJB 3 in Action. It will introduce you to the basics of understanding EJB 3.0 and later go for EJB 3 from O'Reilly for some advanced topics and buy some commercial mock exams like Enthuware / Whizlabs.
SCJP 1.4, SCWCD 1.4 - Hints for you, Certified Scrum Master
Did a rm -R / to find out that I lost my entire Linux installation!