Evan Goodfellow is a sponsored pro skater and skateboard instructor. He is the coauthor of Street Skateboarding: Endless Grinds and Slides. He has costarred in eight skateboarding videos in as many years. He lives in Glendora, California. Doug Werner is the author of 15 books on sports and fitness, including the books in the Start-Up Sports series. He lives in San Diego, California.