The BEST SUDOKU and COLORING BOOK for Seniors and Beginners Most sudoku books for adults or seniors jump right into the 9x9 puzzles. In the past year, I bought a few beginner level books for my grandmother but she never got to use them. She kept saying "I don't understand the instructions. I hate numbers I hate math I will save it so you can teach me when you visit." To my grandmother (and many other seniors without any Sudoku...
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