The knowledgebook :  everything you need to know to know to get by in the 21st century. 

 - Washington D.C :  National Geographic,  c2007. 
 - 543 pages :  illustrations ;  27 cm. 
<br/><br/>Discoveries and Inventories.--Social Life.--Mind and Soul.--The Arts.--Modern Life. 
<br/><br/><label>ISBN: </label>9781426202650 
<br/><br/><label>Subjects--Topical Terms: </label>
<br/><br/><label>LC Class. No.: </label>AG 6 .K56 2007