SHEILA MCMANUS is professor of history at the University of Lethbridge in Alberta, Canada. She is the author of The Line Which Separates: Race, Gender, and the Making of the Alberta-Montana Borderlands and Choices and Chances: A History of Women in the US West and coeditor of One Step Over the Line: Towards a History of Women in the North American West and The Line Crossed Us: New Directions in Critical Border Studies.