The big book of how when & why?  an encyclopedia of how when & why? 
translated from Italian and edited by Maureen Spurgeon. 
 - England  Brown Watson  2012 
 - 192 pages  col. ill.  30 x 24 cm. 
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<br/><br/><label>ISBN: </label>9780709716655 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Natural history -- Miscellanea -- Juvenile literature. <br/>Social sciences -- Miscellanea -- Juvenile literature. <br/>Technology -- Miscellanea -- Juvenile literature.
<br/><br/><label>Dewey Class. No.: </label>Ref. 030 B5921 2012