Sudoku: Improving Memory Take a break, relax, and do a little puzzling. Sudoku puzzles are fun and engaging, while improving your memory a little stimulation!These puzzles have been selected with relaxation in mind. They provide a fun challenge without being too difficult. A Funny puzzle and a good memory exercise. 100 fun puzzles with solutions. Puzzle type:9 * 9. 100 pages. One often finds sudoku books with puzzles that have multiple solutions. This can waste a lot of time and drain a fair amount of ones sanity when it comes to solving sudoku puzzles. Every puzzle in this sudoku puzzle book has been carefully checked to ensure that each puzzle has only 1 possible solution.
