A Fresh Spring of Sudoku 9 x 9 Round 4: Hard Volume 4: Sudoku for Relaxation Spring Time Puzzle Game Book Japanese Logic Nine Numbers Math Cross Sums Challenge 9x9 Grid Beginner Friendly Hard Hard Level For All Ages Kids to Adults Floral Theme Gifts

Play a relaxing game of sudoku this spring with this fun book full of logic cross sums based number puzzles. Have a seat in your backyard by the flowers under the warm sunshine 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. Enjoy!