2021 Activity Book For Adults: 365 Very Hard Variety Puzzles For Every Day Of The Year : 12 Puzzle Types (Sudoku, Futoshiki, Battleships, Calcudoku, Binary Puzzle, Slitherlink, Killer Sudoku, Masyu, J
2021 Activity Book For Adults: 365 Hard Variety Puzzles For Every Day Of The Year : 12 Puzzle Types (Sudoku, Futoshiki, Battleships, Calcudoku, Binary Puzzle, Slitherlink, Killer Sudoku, Masyu, Jigsaw
2021 Activity Book For Adults: 365 Easy Variety Puzzles For Every Day Of The Year : 12 Puzzle Types (Sudoku, Futoshiki, Battleships, Calcudoku, Binary Puzzle, Slitherlink, Killer Sudoku, Masyu, Jigsaw
2021 Activity Book For Adults: 365 Medium Variety Puzzles For Every Day Of The Year : 12 Puzzle Types (Sudoku, Futoshiki, Battleships, Calcudoku, Binary Puzzle, Slitherlink, Killer Sudoku, Masyu, Jigs