O'Neill, Catherine. <br/><br/>
Amazing mysteries of the world. 

 - Washington, D.C. :  National Geographic Society,  c1993. 
 - 104 p. :  ill. ;  27 cm. 
<br/><br/> Includes biography and index. 
<br/><br/><label>ISBN: </label>0870445022 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Books for world explorers.