TY - BOOK ED - Mason Crest Publishers, TI - Why Why Why do magnets push and pull? SN - 9781422215838 U1 - 538.4 23 PY - 2009/// CY - US PB - Mason Crest Publisher Inc KW - Science KW - Miscellanea KW - Juvenile literature KW - Magnets N1 - First published as hardback in 2006 by Miles Kelly Pub. Ltd, Bardfield Centre, Great Bardfield, Essex"--T.p. verso; Includes index ER -