- Amazon.com (Paperback, Kindle version)
- Barnes & Noble (Paperback, Nook book)
- Amazon.com (Hardcover, Kindle version)
- Barnes & Noble (eBook version)
- Books Inc.
Groundswell: Expanded and Revised Edition, Paperback (May 2011)
Groundswell (May 2008)
Marketing in the Groundswell (June 2009)
A list of international versions of Groundswell is also available.