Doyle’s “A Study in Scarlet,” written in 1886 and published in 1887 in Beeton’s Christmas Annual, introduces Sherlock Holmes and John Watson, initiating their enduring crime-solving partnership. Set in Victorian London, the novel revolves around Holmes, a brilliant detective with unconventional deductive skills, and Watson, a retired military doctor seeking purpose after returning from Afghanistan. The story unfolds as Watson assists Holmes in a murder investigation at the request of Scotland Yard.