One book will not be enough for this exam. You will have to prepare section by section. Read SCEA by Mark Cade (Covers all topics briefly, in fact too briefly) Mastering EJB by Orielly Publications Patterns by Gang of Four Go to yahoo groups also, you will find a lot of material. Hope it helps.
Journey is as important as the Destination.<br /> <br />PMP, SCJP, SCJD, SCEA (Part 1), SCMAD, SCDJWS