Catalogue · Logic grid puzzles

Spy Puzzles: Hard Puzzles

Spy logic puzzles: work out which agent was in which city, carrying what — then expose the double agent. All 60 assignments are built to test you: longer chains of deduction and clues that make you work for every answer. Deduction only, never guesswork.

Coming soon to Amazon.

Stuck on a puzzle?
Front cover of Spy Puzzles: Hard Puzzles

What is inside

  • 60 hard spy logic puzzles — trickier deductions, no shortcuts
  • Agents, gadgets, and cities laid out on a clean solving grid
  • Step-by-step guide teaches you exactly how to deduce
  • Every case has one solution, reachable by logic alone — no guessing
  • Full dossier key: who the mole is, where, and with what

The book itself

Difficulty
Hard
Puzzles
60
Trim size
8.5 × 11 inches
Binding
Paperback, printed on demand
Pages
132
Checked
Every puzzle verified before print

What a logic grid puzzle book promises. Exactly one solution, reachable without guessing, with no clue you could remove. How we check that →