DR. CHARLIE DYER served for thirty-three years on the faculty and in the administration of three different institutions, including twenty years at Dallas Theological Seminary and ten years as Provost of the Moody Bible Institute. In 2010, Charlie became Professor-at-Large of Bible for Moody Bible Institute and host of The Land and the Book radio program, which is heard on more than 350 stations across the United States. For much of his time in ministry, Charlie has taken groups to Israel and the other lands of the Bible. In addition to his speaking, teaching, and guiding, Charlie has authored or coauthored numerous books, including The Rise of Babylon, What's Next?, The Christian Traveler's Guide to the Holy Land, 30 Days in the Land with Jesus, 30 Days in the Land of the Psalms, A Voice in the Wilderness, The ISIS Crisis, and Clash of Kingdoms. He also contributed to The Bible Knowledge Commentary, Nelson's Old Testament Survey, and The Moody Bible Commentary.

MARK TOBEY (Moody Bible Institute; Dallas Theological Seminary) is a pastor, freelance writer, and editor. Previously he served in publishing and as an adjunct professor of pastoral studies. Mark is co-author of Strike the Dragon with Dr. Charles Dyer and is a collaborator for The Trouble with Jesus Study Guide with Dr. Joe Stowell. He and his wife, Tracy, have three children.