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Absent in the Spring is a novel written by Agatha Christie and first published in the UK by Collins in August 1944 and in the US by Farrar & Rinehart later in the same year. It was the third of six novels Christie wrote under the nom-de-plume Mary Westmacott.

A Caribbean Mystery is a work of detective fiction by Agatha Christie, first published in the UK by the Collins Crime Club on 16 November 1964 and in the United States by Dodd, Mead and Company the following year. The UK edition retailed at sixteen shillings and the US edition at $4.50. It features the detective Miss …