Grace, Catherine O'Neill,  1950- <br/><br/>
Amazing mysteries of the world / 
by Catherine O'Neill. 
 - [Washington, D.C.] :  National Geographic Society,  c1983. 
 - 101, [2] p. :  ill. (some col.) ;  28 cm. 
 - Books for world explorers .
<br/><br/> Accompanied by "Classroom activities" in portfolio (8 leaves : ill.), 2 games "Far-out-fun" and "Exploring the unknown" (2 fold. sheets)  Includes index. 
<br/><br/>Bibliography: p. [103] 
<br/><br/> Discusses such mystifying phenomena as the auroras, black holes, and Bigfoot. 
<br/><br/><label>ISBN: </label>0870444972 :  $6.95 0870445022 (lib. bdg.) :  $8.50 
<br/><br/><label>LCCN: </label>83013444  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Curiosities and wonders--Juvenile literature.<br/>Curiosities and wonders.
<br/><br/><label>LC Class. No.: </label>AG243  / .O53 1983 
<br/><br/><label>Dewey Class. No.: </label>