Ruggieri, Guido,  <br/><br/>
Secrets of the sky 

 - 174 pages :   colour illustrations ;   29 cm 
<br/><br/> Part one 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Astronomy - Observers manual
<br/><br/><label>Dewey Class. No.: </label>520