This week's book giveaway is in the OCAJP forum. We're giving away four copies of Programmer's Guide to Java SE 8 Oracle Certified Associate (OCA) and have Khalid A Mughal & Rolf W Rasmussen on-line! See this thread for details.
Well the J2SE doesn't completely matter. What I mean is that the App Server will have to support the J2SE that you select, but in learning from reading a book, it doesn't matter. The Book covers EJB 2.x so basically, J2EE 1.4