This book is free online:
Cummings, R.E. and Barton, M. (Eds) (2008) Wiki Writing: Collaborative Learning in the College Classroom. Ann Arbor: University of Michigan Press and University of Michigan Library. http://hdl.handle.net/2027/
Information Literacy is mentioned specifically in the chapter by Mark Phillipson, Wikis in the Classroom: A Taxonomy
Photo by Sheila Webber: Back from the farmers' market, July 2010.