Why why why do magnets push and pull?

Title:

Year Published:

2009,

2006

Series:

Physical Description:

32 p. : col, ill. ; 31 cm.

Note:

Includes index.

First published as hardback in 2006 by Miles Kelly Pub. Ltd, Bardfield Centre, Great Bardfield, Essex"--T.p. verso.

Subject:

Added Corporate Author:

ISBN:

9781422215838

Publisher:

Broomall, Pa. : Mason Crest, 2009, c2006.