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!

1. GROWING BABY BOOMER POPULATION: Brain/memory illnesses are on the rise, 47 million people worldwide are affected by dementia. Cases are projected to increase to 75 million by 2030 and almost triple by 2050.

2. STRONG COMPS: Brain training books sell huge numbers, Workman’s 399 Games, Puzzles & Trivia Challenges to Keep Your Brain Young is a perennial seller, over 196,000 copies sold (NPD). 

3. POPULAR ANGLE: Japanese-themed books are en vogue, comps like The Little Book of Japanese Contentments averages 80-100 copies a week on NPD alone.