Become The Detective The case is open.
The evidence is waiting.
Now it’s your turn to Become The Detective.
Step into a world of dark mysteries, suspicious characters, hidden motives and crimes waiting to be solved. Our collection of dark mystery and crime puzzle books is created for readers who want to do more than simply read a mystery — they want to investigate it. Examine the clues, question the evidence, challenge suspicious alibis and use your powers of deduction to uncover the truth.
Perfect for armchair detectives, mystery lovers and crime puzzle fans, these books combine the atmosphere of classic murder mysteries with the challenge of puzzles, codes, word searches, logic problems and investigative clues. Some cases may ask you to identify a killer, while others challenge you to uncover a weapon, discover a hidden location, decode a secret message or work out which suspect is lying.
From murder mystery puzzle books and cold case investigations to crime-scene challenges, detective case files and dark whodunits, every book offers a different opportunity to put your detective skills to the test. Look closely — an overlooked detail, a missing name, an impossible timeline or a carefully hidden clue could completely change the investigation.
Whether you enjoy solving a quick mystery with your morning coffee or spending an evening working through a challenging criminal case, there is always another investigation waiting to be opened. These are not books where you simply follow the detective.
You are the detective.
Search the evidence.
Eliminate the suspects.
Break the codes.
Follow the clues.
Trust your instincts — but always trust the evidence.
Explore our collection of crime, murder mystery and detective puzzle books for adults, choose your next case, and see whether you have what it takes to uncover the truth. The suspects are ready. The clues are hidden. The case is yours. Become The Detective.
The Butler Did It
The annual Butler's Guild Convention has brought thousands of black-tailed, white-gloved butlers to Thornbury Manor — and one of them is a killer. When a body is discovered in the East Wing library, Detective Hale takes the case... and you're his brand-new assistant, thrown into your very first investigation. No weapon. No witnesses. Just a guest list five thousand names long, and a murderer who's spent his whole career learning how to disappear into a crowd.
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The annual Butler's Guild Convention has brought thousands of black-tailed, white-gloved butlers to Thornbury Manor — and one of them is a killer. When a body is discovered in the East Wing library, Detective Hale takes the case... and you're his brand-new assistant, thrown into your very first investigation. No weapon. No witnesses. Just a guest list five thousand names long, and a murderer who's spent his whole career learning how to disappear into a crowd.
Mrs Webber is dead. The killer is hidden somewhere in the evidence. On a cold and mist-covered night at the old market cross, the local publican is discovered dead in the conservatory. The barman finds her body on the stroke of eleven, and a single stab wound leaves no doubt that murder has been committed.
50 Cold Cases to Investigate and Solve The cases have gone cold—but the clues are still waiting to be found. Step into the role of an armchair detective and investigate 50 unsolved crime scenes in this gripping crime-themed word search puzzle book.
A Cruise Ship Murder Mystery Puzzle Book for Adults Your holiday was supposed to offer seven peaceful days at sea—fine dining, fresh ocean air and absolutely no police work.
Crime Scene: Apartment 13 Search 15,700 Names and Unmask the Killer A murder has taken place in Apartment 13. There are 15,700 suspects—but only one killer. Shortly before midnight, a scream echoes through Blackthorn Apartments. Seconds later, the entire building is plunged into darkness.
The Forged Masterpiece 15,300 Suspects. 25 Clues. One Master Forger. During a final inspection, experts discover that several paintings are highly convincing forgeries. The original artworks have vanished, and someone connected to the exhibition has replaced them with copies.
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