1. 01. English Non Fiction World of plants / by Howell, Laura Publication: New York : Scholastic, 2001 . 64 p. : 28 cm. Date:2001 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Light, sound & electricity /   Publication: Tulsa, Okla. : EDC Pub., 2002 . 64 p. : , Includes index. | Originally published in 2001 by Usborne Pub., London, England. 28 cm. Date:2002 Availability: Copies available: (1), Actions: