This book contains 150 sudoku with letter in medium difficultySudoku puzzles grid size in the book are 9x9 that are played with 9 Letter A, B, C, D, E, F, G, H, I Large Print Sudoku Letter puzzle bookLarge and Easy To Read FontAll puzzles come complete with solutions towards the back of the book. Puzzles are printed on high quality white paper, size 8,5 x 11 inchesA simple instructions for beginnersThis puzzle book is a variation of Classic Sudoku puzzle that contains letters. The goal of Sudoku is to fill a 9×9 grid with letters so that each row, column and 3×3 section contain all of the letters in between A and I.Sudoku puzzles are a proven method for enhancing logic skills. As a logic puzzle, Sudoku is also a great brain game. If you play Sudoku everyday, you'll soon begin to see improvements within your concentration and overall brain power. 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. Choose your book today by clicking on the BUY NOW button at the top of this page.