In a palace in Ramat, a prince entrusts a packet of jewels to his pilot, in the hope that he can smuggle them to England. But before the packet reaches its destination the prince and the pilot are both dead. T o the people after the jewels, murder is a small price for jewels worth millions of pounds. Then a frightened girl brings Hercule Poirot one of the most challenging cases of his long and brilliant career: A killer is terrorizing a famous school for girls; an unsuspecting student has become a magnet for evil and death. Somehow the two cases are linked and only Poirot can solve this double mystery.352pp, diagonal crease front.