50 United States Themed Logic Grid Puzzles | Hours of Challenging Fun | Logic Grid Puzzle Book for Adults: USA Themed | Fun & Challenging Logic Grid Puzzle Book Lane, Milliwood
300+ Mathematical Pattern Puzzles: Number Pattern Recognition & Reasoning (Improve Your Math Fluency) Chris, McMullen
200 Stress-Relieving Sudoku Puzzles to Sharpen Your Mind: Presented by Maria Shriver, Patrick Schwarzenegger, and MOSH (Puzzle Books for Brain Health) Maria, MOSH, Patrick, Schwarzenegger, Shriver