1. 01. English Non Fiction Alien lifesearch : quest for extraterrestrial organisms / by Jefferis, David. Publication: New York, NY : Crabtree Pub., 1999 . 32 p. : , Includes index. 29 cm. Date:1999 Availability: Copies available: (1), Actions:
2. 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:
3. 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:
4. 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:
5. 01. English Non Fiction Micro machines : ultra-small world of nanotechnology / by Jefferis, David. Publication: New York : Crabtree, 2006 . 32 p. : 29 cm. Date:2006 Availability: Copies available: (1), Actions:
6. 01. English Non Fiction Green power : eco-energy without pollution / by Jefferis, David. Publication: New York, NY : Crabtree Pub. Co., 2006 . 32 p. : 29 cm. Date:2006 Availability: Copies available: (1), Actions:
7. 01. English Non Fiction Black holes and other bizarre space objects / by Jefferis, David. Publication: New York : Crabtree Pub. Co., 2006 . 32 p. : 29 cm. Date:2006 Availability: Copies available: (1), Actions:
8. 01. English Non Fiction Extreme structures : mega-construction of the 21st century / by Jefferis, David. Publication: New York : Crabtree Pub. Co., 2006 . 32 p. : , Includes index. 29 cm. Date:2006 Availability: Copies available: (1), Actions:
9. 01. English Non Fiction Race into space / by Jefferis, David. Publication: New York : Crabtree Pub., 2007 . 32 p. : , Includes index. 28 cm. Date:2007 Availability: Copies available: (1), Actions:
10. 01. English Non Fiction Return to the moon / by Jefferis, David. Publication: New York : Crabtree Pub., 2007 . 32 p. : , Includes index. 28 cm. Date:2007 Availability: Copies available: (1), Actions:
11. 01. English Non Fiction Hot planets : Mercury and Venus / by Jefferis, David. Publication: St. Catharines, Ont. : Crabtree Pub., 2009 . 32 p. : , Includes index. | "Guided reading: P"--Back cover. 29 cm. Date:2009 Availability: Copies available: (1), Actions:
12. 12. Miscellaneous Mighty megaplanets : Jupiter and Saturn / by Jefferis, David. Publication: St. Catharines, Ont. : Crabtree Pub., 2009 . 32 p. :bcol. ill. ;c29 cm. , Includes index. | "Guided reading: Q"--Back cover. Date:2009 Availability: Copies available: (1), Actions:
13. 01. English Non Fiction Exploring Our Solar System: The Sun by Jefferis, David Publication: Availability: Copies available: (1), Actions:
14. 01. English Non Fiction Exploring Our Solar System: The Earth by Jefferis, David Publication: Availability: Copies available: (1), Actions:
15. 01. English Non Fiction Gas giants : huge far off worlds / by Jefferis, David. Publication: New York, NY : Crabtree Pub. Co., 2009 . 32 p. , Includes index. 28 cm. Date:2009 Availability: Copies available: (1), Actions:
16. 01. English Non Fiction Ice dwarfs : Pluto and beyond / by Jefferis, David. Publication: New York : Crabtree Pub., 2009 . 32 p. : , Includes index. 28 cm. Date:2009 Availability: Copies available: (1), Actions:
17. 01. English Non Fiction The moon / by Jefferis, David. Publication: New York : Crabtree Pub., 2008 . 32 p. : , "Earth's neighbor" | Includes index. 29 cm. Date:2008 Availability: Copies available: (1), Actions:
18. 01. English Non Fiction Mars / by Jefferis, David. Publication: New York, NY : Crabtree Pub., 2008 . 32 p. : , "Distant red planet" | Includes index. 29 cm. Date:2008 Availability: Copies available: (1), Actions:
19. 01. English Non Fiction Model trains : creating tabletop railroads / by Jefferis, David. Publication: . 32 pages : 29 cm. Availability: Copies available: (1), Actions:
20. 01. English Non Fiction Project Apollo : the race to land on the Moon / by Jefferis, David, Publication: . 32 pages : , "Moon Landing 50th Anniversary" --Cover. 28 cm. Availability: Copies available: (1), Actions:
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