nam a22 7a 4500 16114 16114 161108b xxu||||| |||| 00| 0 eng d 9780787654399 REF Q 121 .U18 2001 Nagel, Rob 2001. U-X-L encyclopedia of science/ Rob Nagel Detroit : U-X-L, 2001. 10 volumes (lxiv, 2048 pages) : illustrations (some color) ; 25cm. Includes index. Science -- Encyclopedias, Juvenile. Technology -- Encyclopedias, Juvenile. Science -- Encyclopedias. lcc BOOKS REF Q 121 .U18 2001