About Valerie Preston Valerie Preston is professor of geography at York University and a former York Director for CERIS - The Ontario Metropolis Centre. Books by Valerie Preston Social Infrastructure and Vulnerability in the Suburbs by (author) Lucia Lo, Valerie Preston, Paul Anisef, Ranu Basu & Shuguang Wang Liberating Temporariness? Migration, Work, and Citizenship in an Age of Insecurity by (author) Leah F. Vosko, Valerie Preston & Robert Latham
