Levy, David H. <br/><br/>
The sky :  a users guide / 
David H. Levy. 
 - Cambridge ;  New York :  Cambridge University Press,  1991. 
 - xix, 295 p. :  ill. 
<br/><br/>Includes bibliographical references and index 
<br/><br/><label>ISBN: </label>0521391121 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy--Amateurs manuals