Download or read book 4x4 Sudoku 200 + Hard Puzzles With Solutions written by MR J Publishing and published by . This book was released on 2020-07-16 with total page 98 pages. Available in PDF, EPUB and Kindle. Book excerpt: A fun hobby that exercises your brain and gives you a sense of accomplishment. That's the perfect description of the numbers puzzle from Japan called sudoku. * Sudoku 4x4. 200+ hard sudoku puzzles with solutions: * Large print hard Sudoku puzzles.Suitable for seniors and Kids * Sudoku grids are large, very easy to read, and fill out * 4 Puzzles Per Page, solving could be easy on your eyes If you'd like to boost the performance of your brain and enhance the effectiveness of your brain function. You should use this sudoku puzzle book. You could reduce your probabilities of Dementia or Alzheimer's simply by solving Sudoku puzzles. By using this selection of sudoku puzzle books you would experience enhanced brain capabilities for example focus, logical thinking and memory.