The Complete Guide to Google Wave is a collaborative user manual for Google Wave written and edited by Gina Trapani (Lifehacker founder) with Adam Pash (editor of Lifehacker.
With this comprehensive e-book you'll learn what is Google Wave and what problems it solves, how to use it, how to manage your Wave contacts, and much more.
According to the author “Google Wave is a new web-based collaboration tool that's notoriously difficult to understand……. Because Wave is such a new product that's evolving quickly, this guidebook is a work in progress that will update in concert with Wave as it grows and changes”. [via]