Levy, David H.,  1948- <br/><br/>
David Levy's guide to observing and discovering comets / 
 Guide to observing and discovering comets. 
David H. Levy. 
 - Cambridge :  Cambridge University Press,  2003. 
 - ix, 177 p., [8] p. of col. plates :  ill. ;  26 cm. 
<br/><br/>Includes index. 
<br/><br/><label>ISBN: </label>052182656X (hbk.) 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comets--Popular works.