Very Challenging Puzzles

Here is the section of our Puzzle Book Ninja website reserved especially for puzzle solvers who love more challenging puzzles. Themes are varied, puzzle types are varied. Puzzles support brain health, activate the puzzle ninja within, and stimulate creativity. Check back often for new challenging puzzles.



Next Up: Back to School!

It's official! While summer might still be here, back to school is just around the corner! Our Puzzle Book Ninja team has the perfect puzzle collection to help kids jump start their return to school.

To help kids prepare Back to School collection is up and ready for immediate download.

Remember the new addition to our family: Puzzles for Grandparents category. Puzzles to engage the brain. We continue to develop unique puzzles that are sure to delight kids of all ages!

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