The ClassicBooks
In Cold Blood — Truman Capote
The book that invented true crime. Capote's chilling account of the Clutter family murders.
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Case No. 0001 — Open
Hand-picked true crime books, detective games and gifts — delivered straight from trusted retailers.
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The ClassicBooks
The book that invented true crime. Capote's chilling account of the Clutter family murders.
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BestsellerBooks
One woman's obsessive hunt for the Golden State Killer. Unputdownable.
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Books
Inside the FBI's elite serial crime unit, from the man who inspired the Netflix series.
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Books
Ann Rule worked beside Ted Bundy at a crisis hotline — before she knew who he really was.
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Fan FavouriteGames
Be the detective. Sift through evidence, photos and interrogations to crack a cold case.
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Games
A subscription-style murder mystery delivered in episodes. Solve it from your kitchen table.
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Games
Five interconnected cases, one conspiracy. Use real databases to break the case.
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Merch & More
For the armchair detective. Perfect fuel for your late-night case deep dives.
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Merch & More
Track theories, timelines and suspects like a pro. Red string sold separately.
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Merch & More
Trivia cards, calendars and curios for the true crime obsessive in your life.
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Viral SensationPuzzle Books
46,600 suspects, 18 clues, one killer. Alice is on the run and you're the only one who can clear her name.
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Start HerePuzzle Books
100 murder logic puzzles from elementary to impossible. All you need is a grid, a pencil and cold logic.
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Puzzle Books
Sudoku with a body on it. Every grid is a mini crime scene — crack the numbers and you've cracked the murder.
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Puzzle Books
A cop is dead, your partner is missing and the evidence says he did it. Sift 13,100 names to prove otherwise.
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Puzzle Books
50,000 names, one dead aristocrat. Works out who, how and where — three questions where other books ask one.
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Puzzle Books
A poison-coated tile, a champion's death, and 40,000 players at the world's biggest mahjong tournament.
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Puzzle Books
A body on the lawn of a Gothic wellness retreat, a rose in his mouth. You decide who to interview.
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Puzzle Books
Four short Japanese mysteries with the clues hidden in the drawings. Deceptively calm, quietly unhinging.
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Puzzle Books
120 cozy crime puzzles — grids, sudoku, wordsearches and codewords — in a sleepy coastal town with a murder problem.
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If you've never read true crime before, begin with In Cold Blood — the book the whole genre grew out of. If you'd rather solve the case yourself, The Killer Isn't Alice is the puzzle book everyone is obsessed with right now. If you'd rather play than read, the Unsolved Case Files box is the easiest way to spend an evening being the detective. And if you're buying for someone whose shelf is already full of the classics, the trivia and gift picks are the safest bet.
Everything here is chosen by us, not paid for by a retailer. Read how we pick things.
Case notes
14 October 2026
How 46,600 suspects became the internet's favourite obsession
A self-published puzzle book about a missing woman called Alice turned into a publishing phenomenon. What it is, and why people can't put it down.
12 October 2026
How to solve The Killer Isn't Alice without losing your mind
Eighteen clues, one absurdly long list of names, and a handful of rules that trip most first-timers up. A calm method.
10 October 2026
If you liked The Killer Isn't Alice, start with these
Seven more puzzle books in the same vein — from a hundred logic mysteries to a poison-coated mahjong tile.
Exhibit I
New finds, shelf photos and the odd clue — posted at @casefile_corner.
Follow on Instagram →Exhibit I — pending
Shelf photos, new finds and the odd clue are posting on Instagram. The live grid lands here shortly.
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