Bless, Robert C., <br/><br/>
Discovering the cosmos / 
R.C. Bless. 
 - 2nd ed. 
 - Mill Valley, Calif. :  University Science Books,  c2013. 
 - xxv, 727 p. :  ill. (some col.), maps (some col.) ;  28 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>9781891389719 (pbk. : alk. paper) 
<br/><br/><label>Subjects--Index Terms: </label>Astronomy 
<br/><br/><label>Dewey Class. No.: </label>520  / BLE