The Zope Book by Amos Latteier, Michel Pelletier, Chris McDonough,
Peter Sabaini.

This book is designed to introduce you to Zope and its uses.
Zope is an open-source web application server. If you are interested in 
writing web pages, programming web scripts, using databases,
managing content, or doing a collaborative web development task,
then you should read this book.