New Zope 3 is a web applications server written in Python that allows developing complex web applications rapidly and collaboratively. Zope 3 is the successor to the successful version 2. After an introduction to the key concepts of Zope, a sample application is built and extended subsequently. The book is targeted towards developers familiar with the web and web technologies. Special sections for Zope 2 developers cover the basic differences to the predecessor. The concepts of Zope 3 and its component architecture are explained thoroughly, continually accompanied by a demo application.
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.