written by Christina Wilsdon
Scholastic, 1998
書

by Dennis S. Hill, Wilkin W.K. Cheung
Urban council, 1981
書

by Dennis S. Hill
Urban Council, 1982
書

by Joanna Cole ; illustrated by Bruce Degen
Scholastic Inc., 1996
書

a BBC co-production with association with Thirteen/WNET ; series producer, Steve Nicholls ; producer, Rupert Barrington
BBC Worldwide Ltd : Deltamac [distributor], c2000
視頻

written by Steve Parker
Dorling Kindersley, c1992
書

[written by Katy Pike]
Modern Educational Research society, Ltd., c2003
書

by Maureen Haughton
Dorling Kindersley, 2000
書

by Robert Dawson ; illustrated by Steve Roberts
Oxford Unversity Press, 2000
書

by Adam Hibbert
ticktock Enterainment Ltd., 2006
書

by Monica Hughes ; edutorial consultant Mitch Cronick
tickeock Entertainment Ltd, 2006
書

Jerry Pallotta ; illustrated by Ralph Masiello
Charlesbridge, 1986
書