Silverberg, Robert. <br/><br/>
Nightwings / 
Robert Silverberg . 
 - New York :  ibooks ,  2003 . 
 - 218 p. ;  17 cm. 
<br/><br/><label>ISBN: </label>0743474465 
<br/><br/><label>Index Terms--Genre/Form: </label><br/>Science fiction.
<br/><br/><label>LC Class. No.: </label>PS3569.I472 
<br/><br/><label>Dewey Class. No.: </label>813/.5/4