This week's giveaway is in the EJB and other Java EE Technologies forum. We're giving away four copies of EJB 3 in Action and have Debu Panda, Reza Rahman, Ryan Cuprak, and Michael Remijan on-line! See this thread for details.
In my opinion, the most important aid to learning servlets and jsp is having your own local Tomcat server to experiment with. Tomcat comes with servlet and jsp examples - easy to modify and experiment with.