Taken at the Flood (Hercule Poirot, Bk 27) (aka There is a Tide)
Taken at the Flood - Hercule Poirot, Bk 27 - aka There is a Tide Author:Agatha Christie When a widow tries to collect on her inheritance, her late husband's family is unpleasantly surprised. They're even more horrified by the news that this lovely stranger may be a bigamist. Now murder shakes the family tree, and it's time for Hercule Poirot to investigate.
Also published as There is a Tide.