Your posting says Andy, but I think you might have meant me?
I think some of the links in the forums point to the wrong place, but the book is available on Amazon at the link below (in my signature).
Our book mostly discusses how to write custom tags. This includes tags that perform iteration, change their body, interact with a database, nested tags, tags that use
J2EE and many more. During our discussion we talk about the merits of tag use and how they fit into a complete web application architecture.
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Adam Chace
Author of :
JSP Tag Library