Arny, Thomas. <br/><br/>
Explorations :  an introduction to astronomy / 
Thomas T. Arny. 
 - 4th ed. 
 - Boston :  McGraw-Hill,  c2006. 
 - xxix, 578 p. :  col. ill., maps ;  29  cm. 
<br/><br/> Includes bibliographic references and index. 
<br/><br/><label>ISBN: </label>0072509856 (hard copy : alk. paper) 
<br/><br/><label>LCCN: </label>2004024595 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy.
<br/><br/><label>LC Class. No.: </label>QB45.2  / .A76 2006 
<br/><br/><label>Dewey Class. No.: </label>520