Why Didn't They Ask Evans? is a work of detective fiction by Agatha Christie, first published in the United Kingdom by the Collins Crime Club in September 1934 and in the United States by Dodd, Mead and Company in 1935 under the title of The Boomerang Clue. The UK edition retailed at seven shillings and sixpence (7/6) and the US edition at $2.00.

Miss Marple, titled Agatha Christie's Miss Marple in the series, is a British television series based on the Miss Marple murder mystery novels by Agatha Christie, starring Joan Hickson in the title role. It aired from 26 December 1984 to 27 December 1992 on BBC1. All twelve original Miss Marple novels by Christie were dramatised.