"A study in scarlet" allows the reader to carry out various ericksonian practice operations, such as: analysis of observation, deduction and backward reasoning techniques, it is also possible to read the entire novel from the last chapter to the first. Whatever the modality will be, the Ericksonian observer will find: minimal cues, intelligence of action, correlations between apparently accidental elements, constants of human behavior. The clues are all there, let’s investigate!
Keywords: Arthur Conan Doyle, Sherlock Holmes, minimal cues, observation, serendipity, deductive reasoning, M.H. Erickson.