This week's book giveaway is in the General Computing forum. We're giving away four copies of Arduino in Action and have Martin Evans, Joshua Noble, and Jordan Hochenbaum on-line! See this thread for details.
The description is fairly accurate. Tomcat 4 is only mentioned in passing and I don't spend any time discussing the differences between the servers. Differences between 5.0 and 5.5 are discussed extensively.
Author of <a href="http://www.amazon.com/exec/obidos/ASIN/1590593316/ref=jranch-20" target="_blank" rel="nofollow">Pro Jakarta Tomcat 5</a>