Medium to Hard Sudoku Books for Adults: 200 Medium and 200 Hard Sudokus for Adults with Experience

This Medium to Hard Sudoku Books for Adults will bring many hours of fun and enjoyment for grown ups. Each puzzle comes with the solution in the back, just in case you are stuck and need a little help. This Sudoku book also has instructions on how to solve Sudoku's and pro tips to enable any adult to learn and play this fun game. Sudoku is not just a good game as a hobby and relax but also great to improve memory, critical thinking, logic and problem solving. That is why millions of men and women love solving Sudoku puzzles. It definitely also makes a great gift and birthday present. Get your Medium to Hard Sudoku Books for Adults today and start enjoying lots of fun!