Lisle, Holly <br/><br/>
The Ruby key / 
By Holly Lisle 
 - First Scholastic paperback printing, April 2009 
 - New York :   Scholastic ;  2008.  
 - 361 pages :   illustrations ;  20 cm . 
 - Moon and sun  .
<br/><br/> In a world where an uneasy peace binds Humans and Nightlings, fourteen-year-old Genna and her twelve-year-old brother Dan learn of their uncle's plot to gain immortality in exchange for human lives, and the two strike their own bargain with the Nightling lord, which sets them on a dangerous journey along the Moonroads in search of a key. 
<br/><br/><label>ISBN: </label>9780545000130 
<br/><br/><label>Subjects--Topical Terms: </label><br/>Adventure --Fiction <br/>Sun and moon --Fiction 
<br/><br/><label>LC Class. No.: </label>PZ7.L69116 R 
<br/><br/><label>Dewey Class. No.: </label>813.6