The knowledge book : everything you need to know to get by in the 21st century 

 - Washington, DC  National Geographic  ©2009 
 - 400 p. : ill. (chiefly col.) ; 24 cm 
<br/><br/> includes index 
<br/><br/><label>ISBN: </label>9781426205187 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Encyclopedias and dictionaries
<br/><br/><label>Dewey Class. No.: </label>031 NAT