Boston : Harcourt, 2010.
549 p. ; 22 cm.
Young wizards series ; [bk. 9]
Young wizards Kit Rodriguez and Nita Callahan manage to wrangle their way onto an elite team sent to investigate the mysterious, long-sought "message in a bottle" that holds the first clues to the secrets of the ancient Martian race.
9780152047702 (hardcover : alk. paper)
0152047700 (hardcover : alk. paper)