Levy, David H. <br/><br/>
David Levi's guide to observing and discovering comets / 
David H. Levy. 
 - Cambridge, UK :  Cambridge University Press,  c2003. 
 - ix, 177 p. :  ill. ;  25 cm. 
<br/><br/> Includes index. 
<br/><br/><label>ISBN: </label>0521520517 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Comets--Observer's manuals.<br/>Comets--Popular works.
<br/><br/><label>Dewey Class. No.: </label>523.6 L664