RUTHANNE GARLOCK is a bestselling co-author with Quin Sherrer to A Woman's Guide to Spiritual Warfare and many other books. Ruthanne has co-authored many books, mostly on prayer and spiritual warfare. Since the death of her husband, John, in 2003, she is continuing the outreach of Garlock Ministries, Inc. by teaching on these topics in seminars and at Bible schools in the U.S. and abroad.