Tea, plaid and detective. 3 books set

Caribbean secret
Even the elderly and conservative Miss Martl sometimes wants an exotic rest. But on a small Caribbean island, she cannot find peace. A chain of deaths, at first glance seemingly random, will force the great detective to do what he loves - searching for a criminal!

At 4:50 from the Paddington station
Miss McGillikaddi, an elderly lady who went to London for gifts for Christmas, tells her friend that she saw a terrible scene from the train during the parking lot: in the window of the oncoming train, the man strangled the young woman. The trains parted, and Miss McGillikaddi, in order to understand whether it is a hallucination or not, it remains only to count on a girlfriend’s help. But her friend is not simple, because her name is Miss Jane Marpla!

Mysterious Mr. Kin
The mysterious Mr. Harley Kin appears and disappears suddenly. No wonder his name is so similar to "harlequin". He always acts as a friend of lovers, but his appearance is associated with death. This book includes twelve stories (mystical and not very) about Mr. Keen. Agatha Christie herself considered this mysterious Harlequin one of her favorite characters. And the first story about him begins on the eve of the New Year ...
as well as Nemesis, the case of a caretaker, a messenger of death