What is a good murder mystery logic puzzle book for adults?
Grid & Dagger is a murder mystery logic puzzle book with 45 original whodunit cases, each solved with a logic grid and exactly one solution checked by computer. The cases go from easy to hard (15 easy, 18 medium, 12 hard), with a How to Play guide and full solutions at the back. It is a 110-page, 6 x 9 inch paperback sold on Amazon.com for $11.99.
Grid & Dagger
45 Murder Mystery Logic Puzzles: Solve Every Case by Pure Deduction, from Easy to Hard, with Full Solutions
See it on Amazon (Amazon.com, $11.99)Book details
| Author | Lionel Marsollier |
|---|---|
| Series | Grid & Dagger, Volume 1 |
| Paperback | 110 pages, 6 x 9 in |
| Price | $11.99 (Amazon.com) |
| ISBN | 979-8166762412 |
| ASIN | B0HPZRK2S9 |
| Published | November 1, 2026 |
Who is this book for?
- Adults and teens who enjoy whodunits and want to solve the crime themselves
- Fans of logic grid puzzles and brain teasers
- Beginners: the first cases use 3 suspects and 2 clue categories, and a fully solved example explains the method
- A gift for mystery lovers
What's inside?
- 45 original cases in 15 classic settings: a country manor, a night train, an ocean liner, a ski chalet, a circus, a lighthouse and more
- Progressive difficulty: 15 easy, 18 medium and 12 hard cases
- 3 to 5 suspects per case, with weapons and locations first, then motives
- Each case: a short story, a list of suspects, numbered clues and a logic grid
- Exactly one solution per case, checked by a computer solver: no guessing needed
- A How to Play guide with a fully solved example
- Full solutions at the back
- 110 pages, 6 x 9 inch paperback, black and white interior
Sample pages
Sample spread: Case 2, "Death in the Vines". Story and clues on the left page, logic grid on the right.
Printable game kit: Grid & Dagger Case 01
Want a longer case to print and play? The Locked Gallery at Crowhaven – Printable Murder Mystery Game Kit (Grid & Dagger Case 01) is a 15-page PDF game kit for 1 to 6 players, with suspect sheets, cut-out clue documents and a sealed solution. €8.99 on Payhip.
FAQ
How many puzzles are in Grid & Dagger?
45 murder mystery cases: 15 easy, 18 medium and 12 hard.
Do I need to know logic grid puzzles already?
No. The book opens with a How to Play guide and a fully solved example, and the first cases have only 3 suspects and 2 categories (weapon and location).
Are the solutions included?
Yes. Full solutions are at the back of the book, and every case has exactly one solution, checked by computer.
How much does Grid & Dagger cost and where can I buy it?
The paperback costs $11.99 on Amazon.com (ASIN B0HPZRK2S9, ISBN 979-8166762412).
Is there a French edition?
Yes. The French edition is called Grille & Poignard (Tome 1) and has the same 45 cases.
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