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The Filing Room Double Cross: An Elimination Whodunnit Puzzle Book (10 Nightmare Cases)

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Trust breaks down in the filing room when a betrayal involving the timesheets comes to light. The evidence leads back to someone inside the circle.


The Filing Room Double Cross is a nightmare-level elimination whodunnit collection in a linked digital edition that works on screen and prints at home. Read the clues and cross out every suspect the evidence clears. The field narrows step by step until a single name remains.


Inside you'll find:

  • 10 self-contained cases, each with its own story, register and solution
  • Linked digital edition: tap from the contents to any case, then straight to its clues, register, notes or solution
  • 1,300 suspects per case at Nightmare difficulty
  • Every clue printed in cipher: decode before you deduce
  • Hidden clues tucked into the register's page footers
  • Progress checkpoints so you always know you're on track
  • Full solutions at the back


Keep an eye open for the House of Sharky P.I. (Poodle Investigator), who makes an appearance in every case. Somewhere in the Poodleverse, one suspect did it. It was not the poodle. It is never the poodle.


Part of All in a Day's Work. Linked digital PDF, 211 pages. For the links and on-screen notes, download it and open it in a PDF annotation app such as Xodo, Adobe Acrobat Reader or Apple Books. Instructions are inside. You can also print it at home.

If you'd like the print book, follow this link: https://books2read.com/u/bPWdrR

You will get a PDF (2MB) file