In the aftermath of Egypt's recent political turmoil, Professor David Manning and his wife, Elizabeth, again find themselves drawn into yet another perilous adventure-this time to locate a stunning treasure that few historians even knew existed. But another has learned of their quest, putting them on a collision course with the most ruthless and sinister adversary they have ever faced. No stranger to desperate situations, David must pursue a deadly trail of tantalizing clues, testing his abilities at every turn. To do less would prove fatal. *4th Adventure of Professor David Manning