Aka Leonard J. RosenLeonard Rosen lives and works in the Boston area. He has contributed radio commentaries to Boston’s NPR station, written best-selling textbooks on writing, and taught writing at Harvard University and Bentley University. The Tenth Witness is his second novel. His first, All Cry Chaos (also featuring Henri Poincaré), is a much-praised award winner in both the literary and mystery/thriller categories: translated into ten languages; winner, the Macavity Award from Mystery Readers International for best debut; winner, ForeWord Magazine’s best work of fiction by an independent American press; finalist, Edgar Award for best debut; and finalist for the Chautauqua Literary Prize and the Anthony Award. Len enjoys corresponding with readers and meeting with book groups online. Contact him through his website: www.lenrosenonline.com.