Killer Letters Vol. 4

UPDATED EDITION: You asked, we listened. Every puzzle now prints 20% larger than in earlier copies.

Choose your print size

Regular Print — the classic 6″ × 9″ paperback. Slips into a tote bag, perfect for the armchair, the train, or the café table. $9.99

Large Print — a generous 8.3″ × 11.7″ edition with oversized grids and big, easy-read type. Roomier puzzles for relaxed, comfortable solving. $14.99

Once you see the pattern, you cannot unsee who keeps standing inside it.

The files have a rhythm now.

A repeated clue. A familiar pressure. A presence that slips through one crime scene after another, never quite obvious, never quite gone.

Each grid still plays fair. The suspects are there. The evidence is there. The weapon points to the one suspect in both scenes. The leftover letters reveal the victim, and the case can be closed.

But the larger mystery is changing.

You are no longer just solving murders. You are learning how to recognize the person behind them. Not from a confession. Not from a lucky guess. From the clues they kept leaving behind.

Cole Case walked past the pattern.

You are looking straight at it.

100 solvable cases. Full answer key included. One face beginning to form from the evidence.

Find the words. Catch the killer.

Want the whole drawer? Get all six in the Complete Case and save.

A note on shipping: Every book is printed in and shipped from your own country, whether you're in the US, Canada, Australia, or the UK. For almost every order that means no international shipping and no customs fees. What you see at checkout is truly all you'll pay. Postal rates in some countries (looking at you, Canada and Australia) do run higher than any of us would like, so if the shipping on your order feels steep, our Printable Editions are the same puzzles as an instant download in our large print size, with nothing to ship and nothing to wait for.

Canadian readers, one exception. Our Canadian printer cannot produce the Large Print paperbacks, so those orders ship from the UK by FedEx. They take longer to arrive, and customs charges may be collected at your door on delivery. If you would rather skip both, the Printable Editions are the same large print puzzles.