From Greg DeKoenigsburg:

We are delighted to announce the release of version 0.8 of our textbook, “Practical Open Source Software Exploration: How to be Productively Lost, the Open Source Way”.

The URL for the wiki release:

We are already working on the 0.9 release. The work continues here:

My heartfelt thanks to my fellow contributors, who helped over the last weeks and months, and especially over the last few days: Karsten Wade, Max Spevack, Chris Tyler, Mel Chua, Jeff Sheltren, and Matt Jadud.