Mark wrote his first twelve pages at the age of ten, complete with drawings of a prairie fire, Indians, and a stampede. More recently, after writing books of epic fantasy and Christian historical fiction, he finished Days of the Apocalypse, a bestselling series of Christian end-times thrillers based on the books of Revelation, Daniel, Joel, Ezekiel, and others. With Apocalypse Mission I: Chaos, War, and the Antichrist, Mark begins a new series on the same subject. At various times, Mark has welded rails for the railroad, inspected glass in a glass factory, given aid checks to welfare clients, and programmed micro-code for IBM. He has a bachelor's degree in anthropology, and Masters degrees in both computer science and ministry. He once helped plant a church. Once a month, he plays acoustic and electric guitar in the church band. If not traveling, he's at his desk writing, helping to fund foreign missions, or walking his miniature Australian shepherd around the neighborhood.

He and his wife enjoy traveling with recent visits to Japan, Mexico, the Dominican Republic, Ireland, France, Italy, Portugal, and Switzerland.