This Week in Google's Gina Trapani has written a new book that explains all about Google Wave.

Description: Welcome to the first comprehensive user guide to Google Wave, written by Gina Trapani with Adam Pash.

Google Wave is a new web-based collaboration tool that's notoriously difficult to understand. This guide will help. Here you'll learn the ins and outs of how to use Google Wave to get things done with your group. This entire book is available to read for free online and you can purchase the electronic or full-color print version.