10 Books Like The Sign of Four

Often considered the first detective novel, this story revolves around the theft of a precious diamond and the subsequent investigation, filled with red herrings and suspense.

A hard-boiled detective novel featuring Sam Spade as he navigates a web of deceit and danger in pursuit of a priceless statuette, showcasing the gritty realism of noir fiction.

Philip Marlowe, a private detective, is drawn into a complex case involving blackmail, murder, and the seedy underbelly of Los Angeles, exemplifying the hard-boiled detective genre.

Hercule Poirot investigates a murder on a luxurious train, where each passenger is a suspect, delivering a masterclass in plotting and misdirection.

Set in a 14th-century monastery, this novel combines historical fiction with a murder mystery, as Brother William of Baskerville seeks to solve a series of deaths with intellectual rigor and deduction.

A modern thriller that weaves together a missing person case with themes of corruption and family secrets, featuring the enigmatic hacker Lisbeth Salander and journalist Mikael Blomkvist.

Private detective Cormoran Strike investigates the suspicious death of a supermodel, blending classic detective elements with contemporary issues and character depth.

Set in 1896 New York, this historical thriller follows a team of investigators using early forensic techniques to catch a serial killer, blending historical detail with psychological insight.

Precious Ramotswe, Botswana's first female detective, solves cases with intuition and wisdom, offering a refreshing and heartwarming take on the detective genre.