Death on the Nile_ a Hercule Poirot myst - Agatha Christie

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...