Andy, I think you'd be interested in
Spectacular Things Happen Along the Way: Lessons from an Urban Classroom
(Teaching for Social Justice) by Brian D. Schultz
I think what happens there is "Project Based Learning" in priniple. I
would be skeptical of anything by that name presented as some kind of
cookbook "method."
Although this is the other PBL, you might be interested in an AERA paper
by Eugene Matisov, John St. Julien & myself:
The Quest for ?Authenticity? in Problem-Based Learning:
Reflections on PBL in Pre-Service Teacher Education Courses at
http://www.udel.edu/soe/whitson/curriculum/files/PBL-WhitsonStJulienMatusovAERA2002.htm