Dr. Rebecca Janzen, an assistant professor of Spanish at Bluffton University, gestures during an Oct. 27 discussion of her new book, “The National Body in Mexican Literature: Collective Challenges to Biopolitical Control,” in Bluffton’s Musselman Library. The book is the first by Janzen, a third-year faculty member at the university and its 2015-16 C. Henry Smith Scholar. She holds master’s and doctoral degrees from the University of Toronto.