Linnet Doyle is young, beautiful, and rich. She's the girl who has everything-including the man her best friend loves. Linnet and her new husband take a cruise on the Nile, where they meet the brilliant detective Hercule Poirot. It should be an idyllic trip, yet Poirot has a vague, uneasy feeling that something is dangerously amiss ...

"At a Hallowe'en party, Joyce--a hostile thirteen-year-old--boasts that she once witnessed a murder. When no one believes her, she storms off home. But within hours her body is found, still in the house, drowned in an apple-bobbing tub. That night, Hercule Poirot is called in to find the 'evil presence.' But first he must establish whether he is looking for a murderer or a double murderer ..."--Back cover.

A is for Ascher, cudgeled in Andover. B is for Barnard, strangled in Bexhill. C is for Clarke, struck down in Churston. Beside each body is an A.B.C. Railway guide; before each murder Hercule Poirot is notified. In one of Christie's most twisted tales, the meticulous Belgian sleuth must navigate the eerie maze of a serial killer's mind. D is for Doncaster, where the next victim dies ... E is for evidence, ingeniously analyzed.