1. 01. English Non Fiction Science : it's changing your world. by Martin, Paul D., Publication: [Washington, D.C.] : National Geographic Society, 1985 . 104 p. : , Includes index. 28 cm. Date:1985 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Secrets of animal survival.   Publication: Washington, D.C. : National Geographic Society, 1983 . 104 p. : , Accompanied by "Classroon activities" folder containing a "Far-out fun" pamphlet (8 p.), 8 duplicating masters, and 8 catalog cards. | Prepared by the Special Publications and School Services Division of the National Geographic Society. 28 cm. Date:1983 Availability: Copies available: (1), Actions: