created and designed by the editorial staff of Ortho Books ; editors, Robert J. Beckstrom, Sally W. Smith ; writer, Paul Ehrlich ; shed plans by Joe Bologna, Paul Ehrlich ; illustrator, Tony Davis
Tony Potter ; designed by Iain Ashman ; lettering by Patrick Knowles ; alphabets designed by Michael Harvey, Jonathan Coleclough & Wilf Dickie ; illustrated by Steve Cross, additional illustrations by Guy Smith ... [et al.]