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If The Honjin Murders by Seishi Yokomizo left you craving more impossible crimes and isolated genius, then reach for The Decagon House Murders by Yukito Ayatsuji.

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Why It's Your Next Read

  • Island isolation cranks claustrophobia to 11
  • Eccentric students = awkward genius energy
  • Impossible murder logic puzzle awaits you
  • Folklore-laced red herrings haunt every corner

You devoured Kindaichi's snowbound investigation, relishing every impossible angle and cultural shadow. Now strand yourself on Tsunojima with seven university misfits—each nicknamed after mystery writers—who discover they're starring in their own locked-room nightmare. Ayatsuji delivers the same ego-stroking deduction game you crave, wrapped in island claustrophobia that makes the honjin's isolation feel spacious by comparison.

If Kindaichi earned your trust, these mystery-obsessed outcasts will claim your obsession.

The architecture itself becomes a suspect: a decagonal mansion designed to toy with perception, where brilliant but socially broken minds collide with folklore whispers and mounting corpses.

If Kindaichi earned your trust, these mystery-obsessed outcasts will claim your obsession.

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What Readers Are Saying

"I was reading the last pages at the morning and still sleepy, then the climax words successfully slapped me into fully awake." Jokoloyo, Goodreads
"Everything is intriguing, you can't stop making up theories in your mind. This book is stunning, you need to read it, I can promise you this is one of the best reading experience you'll get." cloot, Goodreads
"this is just candy for the mystery lover in me..." Mara, Goodreads

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