Activity Book : Logic Puzzles for Adults & Seniors: 500 Hard Puzzles (Sudoku - Fillomino - Straights - Futoshiki - Binary - Slitherlink - Sudoku X - ... 29 (Brain Games for Adults Series)

Hard Logic Puzzles & Brain Games for Adults: 500 Puzzles & 12 Puzzle Types (Sudoku, Fillomino, Battleships, Calcudoku, Binary Puzzle, Slitherlink, ... 3 (Challenging Fun Brain Teasers Series)

Logic Puzzles & Brain Games for Adults: 500 Easy to Hard Puzzles & 12 Puzzle Types (Sudoku, Fillomino, Battleships, Calcudoku, Binary Puzzle, ... Numbrix): 4 (Challenging Fun Brain Teasers)

Logic Puzzle Book for Adults Mixed: Sudoku, Nonograms, kakuro, Suguru, Numbrix and Futoshiki Variety Puzzlebook

2025 Mixed Puzzle Book For Adults And Seniors | 1800+ Puzzles: Activity Book | Crossword | Maze | Sudoku | Missing Vowel | Kakuro | Word Scramble | Fun Games To Keep Your Mind Active