1. 01. English Non Fiction Cloning : frontiers of genetic engineering / by Jefferis, David. Publication: New York : Crabtree, 1999 . 32 p. : , Includes index. 29 cm. Date:1999 Availability: Copies available: (1), Actions:
2. 01. English Non Fiction Artificial intelligence : robotics and machine evolution / by Jefferis, David. Publication: New York : Crabtree Pub. Co., 1999 . 32 p. : , Includes index. 29 cm. Date:1999 Availability: Copies available: (1), Actions:
3. 01. English Non Fiction Future space : robot explorers / by Jefferis, David. Publication: New York : Tangerine Press/Scholastic, 2003 . 48 p. : , Includes index. 28 cm. Date:2003 Availability: Copies available: (1), Actions:
4. 01. English Non Fiction Cars / by Jefferis, David. Publication: North Mankato, MN : Smart Apple Media, 2008 . 32 p. : , Includes index. 28 cm. Date:2008 Availability: Copies available: (1), Actions:
5. 01. English Non Fiction Planes / by Jefferis, David. Publication: North Mankato, Minn. : Smart Apple Media, 2008 . 32 p. : , "A+." 28 cm. Date:2008 Availability: Copies available: (1), Actions:
6. 01. English Non Fiction Epic flights / by Jefferis, David. Publication: London ; | New York : F. Watts, 1987 . 32 p. : , Includes index. 30 cm. Date:1987 Availability: Copies available: (1), Actions:
7. 01. English Non Fiction Gymnastics by Barrett,Norman &Jefferis,David Publication: Wayland 1993 Date:1993 Availability: Copies available: (1), Actions: