Warm Winter of Sudoku 16 x 16 Round 1: Very Easy Volume 9: Sudoku for Relaxation Winter Travellers Puzzle Game Book Japanese Logic Sixteen Numbers Math Cross Sums Challenge 16x16 Grid Beg

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Play a relaxing game of sudoku this winter with this fun book full of logic cross sums based number puzzles. Sit by the fireplace, wrap yourself in a cozy blanket and play your favorite sudoku number puzzle game, or take it with you on your travels and journey through the challenging games all season long. Available in 5 Rounds: Very Easy, Easy, Medium, Hard and Very Hard. 25 Volumes in each Round