Doug Werner is the coauthor of Street Skateboarding: Endless Grinds and Slides and author of Skateboarder''s Start Up, Skateboarding: Book of Tricks, and Skateboarding: New Levels. He lives in San Diego, California. 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.Goodfellow, Evan is the author of 'Street Skateboarding Flip Tricks' with ISBN 9781884654244 and ISBN 188465424X.