Did you know? :  new insights into a world that is full of astonishing stories and astounding facts. 

 - London :  The Reader's Digest Association Limited,  c1990 
 - 384 pages :  color illustrations  ;  28 cm. 
<br/><br/>Includes index and acknowledgement. 
<br/><br/>Chapter 1. The Frontiers of Knowledge.--Chapter 2. Skywatch.--Chapter 3. The Restless Earth.--Chapter 4. The Wonders of Wildlife.--Chapter 5. Mind and Body.--Chapter 6. Signs, Wonder and Words.--Chapter 7. The Adventure of Invention.--Chapter 8. Cities and Civilizations.--Chapter 9. Travelling Ways.--Chapter 10. Masters of their Art. 
<br/><br/><label>ISBN: </label>0276420144 
<br/><br/><label>Subjects--Topical Terms: </label><br/>CURIOSITIES AND WONDERS.
<br/><br/><label>LC Class. No.: </label>AG 105 .R43 1990