Zope is a powerful Python web application platform for rapidly and collaboratively developing complex web applications. With version 3, Zope has been rebuilt on top of a Component Architecture that combines the best ideas from modern web platforms. This new edition details all the changes and new features in Zope 3. It also makes it easier to get started with Zope, incorporating input and suggestions from Zope 3 experts and newcomers alike. In addition, the book addresses the needs of Zope 2 developers who want to use Zope 3 features as they are backported into the Zope 2 platform.
This is a good introduction to Zope 3. I've been reading it off and on since I started working on Launchpad, which uses Zope. The book was good for helping me get the terms and conventions of Zope development, but Launchpad has a very particular use of Zope 3. Some of the more general web dev uses of Zope 3 covered in the book don't apply, for that reason.
But still, this is a good overview of web development using Zope 3. I would recommend the book if you're trying to get up to speed with Zope.