On Spiritual Warfare: 22 Warning Orders for Virtuous Warriors - Imitation Leather

Lt. Col. Dave Grossman, U.S. Army (Ret.) is an internationally recognized scholar, author, soldier, and speaker. He is one of the world's foremost experts in the field of human aggression, the roots of violence, and violent crime. He is an Army Ranger, a former West Point psychology professor, and is a renowned trainer for military and law enforcement officers. His books include On Killing, On Combat, On Spiritual Combat, On Hunting, and Assassination Generation.

Sgt. Christopher Pascoe is retired from the Michigan State Police, where he served as a trooper and sergeant for thirty-one years. He was assigned to several posts, including the Michigan State Police Training Academy. He has made key contributions to the books On Combat and Sheepdogs: Meet Our Nation's Warriors. He is currently an adjunct professor of criminal justice, and guest instructor for newly promoted sergeants and supervisors.