John and Philippa Gaunt are looking forward to finally leading a normal life ... until they discover that an evil djinn is trying to uncover the five great secrets of the universe. If he succeeds, the world will be plunged into darkness. Only the djinn twins can stop him - but first, they must find Shangri-La, a mystical land hidden in the snowy mountains of Tibet...
Age - 9 - 13
Grade - 4 - 8
Author - P.B. Kerr
Publisher - Scholastic
Format - Paperback
Pages - 416
Dimensions -13 x 2.4 x 19.8 cm