Evan Goodfellow is a sponsored pro skater and skateboard instructor. He is the coauthor of Street Skateboarding: Endless Grinds and Slides and author of Street Skateboarding: Flip Tricks. He has costarred in eight skateboarding videos. He lives in Saskatoon, Saskatchewan. Tadashi Yamaoda is a skateboarder and skateboarding photographer whose works have appeared in Thrasher and Transworld Skateboarding. He lives in San Diego, California.Goodfellow, Evan is the author of 'Skateboarding Ramp Tricks', published 2006 under ISBN 9781884654268 and ISBN 1884654266.