Every crime novel here is free, and you can start reading in seconds. We gathered 25 titles in PDF, from the Sherlock Holmes cases that invented the genre to the hardboiled American novels that broke all its rules.
These are the books that taught the world how a mystery works. Arthur Conan Doyle, Agatha Christie, Wilkie Collins, Edgar Allan Poe and Dashiell Hammett are all here, next to locked room puzzles, gentleman thieves, Golden Age whodunits and Victorian investigations that end badly for someone.
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Classics
Classic Crime Novels
These are the crime novels that built the genre from nothing. Conan Doyle, Poe and Gaboriau invented the detective story, the clue and the final explanation, and every crime writer since has worked with their tools.
Holmes and Watson take on a legend that stalks a family across the moors, and the case turns on whether the beast is a curse or a very human plan. The most famous of the four Holmes novels and the best place to start.
Twelve cases that made Sherlock Holmes a household name, including A Scandal in Bohemia and The Speckled Band. Short, self contained, and the clearest demonstration of how deduction is supposed to work.
The novel that introduced Holmes and Watson and set the template every detective story has followed since. A body with no wound, a word scrawled on the wall, and a backstory that reaches far beyond London.
The story that invented the detective genre in 1841. Poe gives you an impossible killing behind a locked door and a reasoner who solves it from an armchair, decades before Holmes existed.
Poe's detective returns to work a real unsolved murder, thinly disguised as a case in Paris. It reads as an argument for reasoning from evidence rather than from newspaper speculation.
A country house killing that looks obvious until Gaboriau's investigators start reading the scene properly. One of the earliest police procedurals and a direct influence on Conan Doyle.
Sam Spade's partner is shot, a black bird statue goes missing, and everyone hunting it is lying. The novel that took crime fiction out of the drawing room and gave it a voice of its own.
An operative is hired to clean up a town so corrupt that the only way through is to set its factions against each other. Fast, brutal, and the book that defined the hardboiled style.
Between the wars, crime fiction turned into a game played fairly with the reader. Every clue sits on the page, and Christie, Sayers and Milne dare you to name the criminal before their detective does.
Poirot's first case. A poisoning in an English country house, a household full of motives, and a detective nobody takes seriously until he explains exactly what happened.
A village doctor narrates the investigation into a neighbour's murder, and Poirot works the case from retirement. Famous for an ending that changed what crime writers thought they were allowed to do.
A stolen diamond, a missing set of royal memoirs, and a houseparty where nearly every guest is using a false name. Christie at her most playful, closer to a thriller than a puzzle.
A naked body appears in a stranger's bathtub wearing nothing but a pince nez. Lord Peter Wimsey's debut, and a sharp introduction to the amateur detective as social comedy.
A guest arrives at a country house just as the owner's brother is shot behind a locked door. Written by the creator of Winnie the Pooh, and a model of the fair play puzzle.
Respectable houses with something buried under them. These crime novels scandalized Victorian readers with bigamy, false identities and investigations that reach people nobody suspected.
A chance meeting with a woman dressed in white on a moonlit road pulls a drawing master into a conspiracy over identity and inheritance. Told through overlapping testimonies, like evidence assembled for a trial.
A diamond taken from an Indian shrine disappears from an English country house, and the investigation runs for two years. Widely considered the first true detective novel in English.
A beautiful young wife with a spotless reputation and a past she has worked very hard to bury. The defining sensation novel, built on bigamy, false identity and a nephew who will not stop asking questions.
A woman leaves her husband and children, then returns in disguise as governess to her own family. Around that domestic ruin sits a murder and a man convicted for a crime he did not commit.
Dickens died with this novel half finished, leaving a disappearance, an opium haunted choirmaster and no solution. Read it for the atmosphere, and for the puzzle nobody has ever been able to close.
A man is found poisoned in a cab in Melbourne and the driver cannot describe the passenger who left him there. It outsold every detective novel of its decade and still moves quickly.
Balzac turns a political abduction into a criminal investigation, with police agents, a conspiracy and a trial. Crime fiction written before the genre had a name.
A body in a room bolted from the inside, and no way out for whoever did it. These impossible crime novels read like a thriller built around a single question: how.
A woman is attacked inside a room sealed from within, and the walls show no way out. The novel that set the standard for the impossible crime and gave the genre its most copied puzzle.
A wealthy man is shot in his own library with the door locked and the key missing. The first widely read detective novel written by a woman, and a courtroom sharp piece of plotting.
A throat cut in a room bolted from the inside, and a retired detective who insists the impossible has an ordinary explanation. One of the first locked room novels ever written, with the author's own introduction on how such tricks are built.
Here the criminal is the one you root for. Arsene Lupin and Raffles plan their heists with style, outthink the police, and turn the detective story inside out.
A thief who announces his robberies in advance, escapes from prison for fun, and treats the police as an audience. The stories that made the gentleman burglar a permanent fixture of crime fiction.
Leblanc puts his gentleman thief against a barely disguised version of Sherlock Holmes, and lets the burglar set the terms. A duel between two opposite ideas of what a clever man does with his talent.
A cricketer by day and a burglar by night, narrated by the friend who cannot quite talk him out of it. Raffles inverted the Holmes formula and made the criminal the hero.
That is our selection of free crime novels in PDF. Crime, investigation and justice, from the first detective stories of the 1840s to the hardboiled novels of the 1930s.
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