1. 01. English Non Fiction Levers / by Glover, David, Publication: Crystal Lake, IL : Rigby Interactive Library, 1997 . 24 p. : 27 cm. Date:1997 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Wheels, pulleys & levers / by Seller, Mick. Publication: New York : Gloucester Press, 1993 . 32 p. : , Includes index. 30 cm. Date:1993 Availability: Copies available: (1), Actions:
3. 01. English Non Fiction Levers / by Tieck, Sarah, Publication: Edina, MN : ABDO Pub. Co., 2007 . 24 p. : , Includes index. | "A Buddy book." 23 cm. Date:2007 Availability: Copies available: (1), Actions: