Ultimate Brain Health Puzzle Books: The Ultimate Brain Health Logic Puzzle Book for Adults : Sudoku, Calcudoku, Logic Grids, Cryptic Puzzles, and More! (Paperback)

Sharpen your mind with fun, brain-boosting logic puzzles Puzzles are an entertaining way to improve your memory and cognitive skills.

The Ultimate Brain Health Logic Puzzle Book for Adults offers a wide variety of sudoku, calcudoku, logic grids, masyu, nonograms, and cryptic puzzles in a range of difficulty levels so you can enjoy hours of puzzling fun while keeping your brain happy and healthy.