Poole, Lynn. <br/><br/>
Frontiers of science / 
Lynn Poole ; Illustrated by Sam Citron. 
 - A Ladder ed. at the 2,000-word level  adapted by Robert Maxwell Walker. 
 - New York :  New American Library,  1965, c1958 
 - 126 p.  18 cm. 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Science.
<br/><br/><label>LC Class. No.: </label>Q 171  / P822f 1965