Shopping Cart
Kazuyuki Yuzawa
Kazuyuki Yuzawa is an electrical engineer by day and a master puzzle maker by night.
Newsletter Signup
By clicking ‘Sign Up,’ I acknowledge that I have read and agree to Hachette Book Group’s Privacy Policy and Terms of Use
By the Author
PictoMazes
The compulsive joy of problem-solving meets the mindfulness of coloring in a new puzzle challenge from Nikoli, the original creators of Sudoku. Ordered by level…