Gladys Mitchell was an English schoolteacher and the author of over sixty novels featuring her unconventional heroine, Mrs Bradley. An early member of the Detection Club, alongside Agatha Christie, G.K Chesterton and Dorothy L. Sayers, she was awarded the Crime Writers Association Silver Dagger in 1976. Her hobbies included architecture and writing poetry. She studied the works of Sigmund Freud and her interest in witchcraft was encouraged by her friend, the detective novelist Helen Simpson
Crime writing's best-kept secret * Scotsman * Bizarre, fascinating and entertaining * Tatler * One can usually rely on Miss Gladys Mitchell for something unexpected and in The Twenty-Third Man she certainly provides * Guardian *