Sudoku Puzzle A Day Featuring the very best mix of 366 challenging puzzles, 5 different levels extra easy, easy, normal, hard, and extra hard for 2020. Perfect Gift for anyone who loves Sudoku puzzles. 4 Puzzles on a page Includes full solutions for every puzzle at the back of the book. Bold numbers for original clues in the solution section Dimension 8 x 10 9x9 Grid;