Challenging Logic Puzzles: 200 Very Hard Puzzles & 6 Puzzle Types (Calcudoku, Binary Puzzle, Jigsaw Sudoku, Slitherlink, Battleships, Skyscrapers) (Keep Your Mind Sharp Series)
$7.24
Description
Challenging Logic Puzzles: 200 Very Hard Puzzles & 6 Puzzle Types (Calcudoku, Binary Puzzle, Jigsaw Sudoku, Slitherlink, Battleships, Skyscrapers) (Keep Your Mind Sharp Series)
