Bulletproof Marriage: A 90-Day Devotional

A retired US Army Lieutenant Colonel, DAVE GROSSMAN is an internationally recognized scholar, author, and speaker who is one of the world’s foremost experts in the field of human aggression and the roots of violence and violent crime. He is also one of the nation’s leading law enforcement trainers. Dave is a former Army Ranger, West Point psychology professor, and professor of military science who drew on his combined experience to establish a new field of scientific endeavor that he has named Killology. He has served as an expert witness and consultant in numerous federal and state courts, including the United States vs. Timothy McVeigh. Dave has five patents to his name, has published four novels, two children’s books, and six nonfiction books, which include his “perennial bestseller” On Killing (with over half a million copies sold), and the New York Times best-selling book Control: Exposing the Truth about Guns, coauthored with Glenn Beck. Some of his other books are On Combat, Assassination Generation, and Sheepdogs: Meet Our Nation’s Warriors, written with Stephanie Rogish.