Hynek, Joseph Allen <br/><br/>
Challenge of the universe. 
Student activities by Norman D. Anderson. Illustrated by Helmut Wimmer. Advisory group: research scientist, Nancy G. Roman; science educator, John S. Richardson; science teacher, Norman D. Anderson. 
 - New York  Scholastic Book Services  [1962] 
 - 143 p.  illus.  20 cm. 
 - Vistas of science, 4 .
<br/><br/>Includes bibliography. 
<br/><br/><label>LCCN: </label>62013888  
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy
<br/><br/><label>LC Class. No.: </label>QB44  / .H9 
<br/><br/><label>Dewey Class. No.: </label>523.1