Uncle Jeff

Hard Sudoku Puzzle Books Uncle Jeff

Small sudoku puzzle books

Boost your brainpower with fun and addictive 10x10 sudoku puzzles feature 4 patterns of increasingly brick, ladder, diagonal, and diamond sudoku challenging puzzles, perfect for the novice and pro alike.

120 sudoku that adds a little hard by changing the standard 9 x 9 puzzles to 10 x 10. That means solvers get 100 squares instead of just 81! And the numbers go from 0 to 9, rather than 1 to 9.

Perfect Sudoku travel size!