00909cam a2200277u 4500 DLC 20190501200218.0 ta 080801s1990 caua j b 001 0 eng 90006413 1560062045 9.95 DLC DLC DLC WaOLN QB341 .N35 1990 531/.14 20 Nardo, Don, 1947- Gravity : the universal force by Don Nardo. San Diego, CA : Lucent Books, c1990. 96 p. : ill. (some col.) ; 27 cm. The Encyclopedia of discovery and invention Includes bibliographical references (p. 90) and index. Explains the force of gravity, including theories of gravity and its effects on human life. Gravity Juvenile literature. Gravitation Juvenile literature. Gravity. 29 13167 13167 0 0 ABELJ abelj JNF 2016-10-27 0 J 531 NARD 4647 2016-10-27 9.95 2016-10-27 BOOK