<p> First there was the mystery of the film star and the diamond . . . then came the ?suicide? that was murder . . . the mystery of the absurdly cheap flat . . . a suspicious death in a locked gun room . . . a milliondollar bond robbery . . . the curse of a pharaoh?s tomb . . . a jewel robbery by the sea . . . the abduction of a prime minister . . . the disappearance of a banker . . . a phone call from a dying man . . . and, finally, the mystery of the missing will. </p> <p> What links these fascinating cases? Only the brilliant deductive powers of Hercule Poirot! </p>