2007 NY: Disney. First edition, first printing, mint, new/unread in a flawless dustjacket, signed by both authors.

In this action-packed finale to the Starcatchers series, Peter and
Molly find themselves in the dangerous land of Rundoon, ruled by an
evil king who enjoys watching his pet snake consume those who displease
him. But that's just the beginning of problems facing our heroes, who
once again find themselves pitted against the evil shadow-creature Lord
Ombra in a struggle to save themselves, not to mention the planet. It's
a wild desert adventure, with rockets, carpets, and camels all flying
through the air, zooming toward an unforgettable climax. . .