Solidarity Economy: Building Alternatives for People and Planet is a book of papers and reports from the 2007 U.S. Social Forum. "The emergence of the global grassroots economic structural reform movement known as the Solidarity Economy. This book contain the core papers, discussion and debates on the topic at the U.S. Social Forum of 10,000 people in Atlanta in the summer of 2007."
Contributors include Dan Swinney, Michael Albert, Ethan Miller, Emily Kawano, Germai Madhanie, Jessica Gordon Nembhard, Adam Trott, Melissa Hoover, and many others. The 441 page book is available as a $5 download from Lulu or available to read on Scribd. Here's a sample chapter.