The Secret of the Sphinx

The students of the "Crystal" school are bewildered: their friend Frankie has gone missing during the last confrontation with their common enemy Andrew Milling! They can only guess where he is and whether his life is in danger. But finally, Frankie sends an encrypted message. Karag and his classmates learn that their friend has fallen into the enemy's lair and is forced to pretend to be a supporter of Milling! How soon will he be exposed? And most importantly - how can he escape? The guys simply must come up with a brilliant rescue plan! Otherwise, poor Frankie is in deadly danger…

Series Children of the Forest:

The Transformation of Karag

Dangerous Friendship

The Secret of Holly

The Puma's Revenge

The Secret of the Sphinx

The Day of Fire

Karag and the Wolf Trial

Twelve Secrets