Frontiers of time / 
by the editors of Time-Life Books. 
 - Alexandria, Va. :  Time-Life Books,  c1991. 
 - 144 p. :  ill. (some col.) ;  29 cm. 
 - Voyage through the universe .
<br/><br/>Includes bibliographical references (p. 137-140) and index. 
<br/><br/><label>ISBN: </label>0809469294 9780809469291 0809469308 (lib. bdg.) 9780809469307 (lib. bdg.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Cosmology.<br/>Cosmología
<br/><br/><label>LC Class. No.: </label>QB 981  / F935 1991 
<br/><br/><label>Dewey Class. No.: </label>523.1