Book excerpt: In one consequential volume, Crisscrossing Borders in Literature of the American West presents the cross-section of a fast-changing and greatly expanded field. Through interdisciplinary essays, this volume on the post-national West challenges the idea of a unified national story sustained by strategic exclusions. Contributors analyze the economic and environmental exploitation depicted in working-class Western literature, emphasize the transnational by approaching both the North/South and cross-Atlantic axes grapple with the role of Mormons, and dissect the new masculinity of "Silicon Gunslingers." Each essay successfully and compellingly models a new and fruitful way of engaging the West.