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The Researcher's First Murder: A New Cain's Jawbone Puzzle

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The next challenge for fans of Cain's Jawbone: the TikTok sensation and international bestseller.

A body is found stabbed to death in a locked room. The police find no weapon, no motive and no suspects. However, the murderer has in their possession a box of one hundred cryptic picture postcards which – if properly understood – would explain not just this murder, but nine others. These are those cards.

Readers must rearrange the pages of text to unravel the story and identify the murderer, vic...