Ellington Darden, PhD, is an exercise researcher, named one of the top ten health leaders by the President's Council on Sports, Fitness, and Nutrition. A pioneer of the Nautilus Training System, he is the author of more than fifty books, including The New High-Intensity Training and The Bowflex Body Plan.
Roger Wayne hails from small-town Minnesota. He served in the Air Force as a broadcast journalist in South Korea before obtaining his BA in communications and journalism. Roger has recorded for video games, animation, and commercials, and he loves making books come to life. You can see what he's up to at rogerwayne.com.