Keep your mind sharp, healthy, and young with classic Japanese square box puzzles from Sudoku and Kakuro to Numberlink and Hanjie...and more!

Puzzles are known to boost brain power—they improve memory, spatial awareness, logic, and problem-solving. Other benefits include improved mood, reduced stress, and a delay in the onset of dementia and Alzheimer’s disease. Now, you can make brain training a part of your daily routine with over 200 classic Japanese puzzles designed to boost your memory, concentration, and overall brain health. Train your brain while having fun! Inside you’ll find a variety of Japanese square box puzzles ranging from easy to hard, including:

- Sudoku
- Hitori
- Slitherlink
- Kakuro
- Shikaku
- Purenrupu
- Akari
- Tentai Show
...and many more!

Dr. Gareth Moore (BSc [Hons], MPhil, PhD) is the internationally best-selling author of a wide range of brain-training and puzzle books for both children and adults, including Anti-Stress Puzzles, Ultimate Dot to Dot, Brain Games for Clever Kids®, Lateral Logic, Extreme Mazes, and The Ordnance Survey Puzzle Book. His books have sold over a million copies in the UK alone and have sold in 35 different languages.

He is also the creator of online brain-training site BrainedUp.com and runs the daily puzzle site PuzzleMix.com.