Hours of enjoyment in this large-type Sudoku puzzle book. By the end of this book you will be a Master Puzzler. Sharpen your pencils, get out your erasers, and let the solving begin!â—† Big Grids of Easy Solvingâ—† 365 Challengesâ—† Great Brain Exerciseâ—† Easy on the Eyesâ—† Makes a Great Gift