This is the murder mystery adapted for the 3rd Hercule Poirot film by Kenneth Branagh , retitled as A Haunting in Venice.

I’m surprised as this book seems a bit simplistic compared with others in the Christie archive.

It begins at a Hallowe’en party.

A girl at the party claims to have witnessed a murder, which at the time she was too young to realize was such.

Though disbelieved by those around her, the girl herself is drowned in an apple-bobbing bucket and Poirot must solve a two-pronged mystery: who killed the girl, and what if anything did she witness? …

wikipedia

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