A Pocket Full of Rye by Agatha Christie
I never appreciated Miss Marple when I was younger. Poirot is flashier, Tommy and Tuppence are funner, Miss Marple is calm and quiet. She's also a brilliant observer and is more than capable of telling the detective on a case everything he is missing and who the killer is.
This time around, Miss Marple enter the case because a young maid she trained, Gladys Martin, had been found strangled in the garden of the house where she worked. A couple other members of the household have also been killed, Rex Fortescue and his wife. Thankfully, Inspector Neele knows of Miss Marple's reputation and is willing to accept her help with the case, even if he does sometimes think she might be batty.
Rex Fortescue is a ruthless business man with questionable practices. We've got a household full of suspects, several red herrings, and plenty of misdirection. Miss Marple sees through it all though. The plot was well-done, as usual with Christie,...