The Fortress of Diamonds
by Mark Terry
16-year-old Jericho Miles's father, famous archaeologist, Roger Miles, disappears over the Arizona desert in his small plane, assumed dead. But Jericho is left a coded message by her father that suggests he is very much alive and in pursuit of the fabled Fortress of Diamonds. And now she and Ashley McGregor must race against time to find the Fortress of Diamonds and rescue her father.