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
The Logic Puzzle Advent Calendar – Vol. 2 for Advanced Solvers: Challenging Christmas-Themed Logic Grid Puzzles for a Cozy and Fun-Filled Holiday (The Logic Puzzle Advent Collection) Books, Unicorn