Murder Mystery Logic Grid Puzzles: 75+ Puzzles, 20 Separate Cases to Solve (Murder Mystery Puzzle Case Files) Bonty, Books, McGee, Zips
Variety Logic Puzzles for Adults (Kindle Scribe Only): A Fun and Challenging Activity Book to Test Your Wits with Logic Grids, Battleships, Skyscrapers, and Minesweepers Books, Unicorn