By Gates, Stefan
By Weltman, Anna
By Johnson, M., etc.
By Anna Wilson, Elly Jahnz
By VanCleave, Janice
By Cherry, Lynne
By Granström, Brita, Manning, Mick
By Levine, Shar, Johnstone, Leslie, Harpster, Steve
By Flynn, Mike
By Scott, Marc, Marston, Mick
By Donna Latham, Illustrated by Jen Vaughn
By Sara LaFleur
By Claybourne, Anna
By Bailey, Loren
By Hauser, Jill Frankel, Kline, Michael
By Osborne, Louise, Hodge, Deborah, Mason, Adrienne, Gold, Carol, Ontario Science Centre, Boudreau, Ray
By VanCleave
By Jennifer Coldrey
By Naylor, Brenda, Stuart
By Naylor, Brenda, Stuart, Mitchell, Ged
By Riley, Peter
By Chris Oxlade
By Blake, Quentin, Peacock, Jim, Davies, Michelle Porte
By Wilkes, Angela
By Susan Meredith, etc., Meredith, Susan
By Garcia, Karina