Summer of Sudoku 16 x 16 Round 1: Very Easy Volume 21: Relaxation Sudoku Travellers Puzzle Book Vacation Games Japanese Logic Number Mathematics Cross Sums Challenge 16 x 16 Grid Beg

Series:

Play a relaxing game of sudoku this summer with this fun book full of logic cross sums based number puzzles. Take it with you on your travels and journey through the challenging games all summer long. Available in 5 Rounds: Very Easy, Easy, Medium, Hard and Very Hard. 25 Volumes in each Round. Enjoy!