Lizzy JacobsBooksMonster ABC Coloring BookSudoku for Beginners : Honey LipsSudoku Puzzle Book Mixed LevelEasy Sudoku Puzzles, 200 Sudoku Puzzles and SolutionsSudoku Puzzle Book 200 Sudoku Puzzles and SolutionsSudoku Puzzle Book Hard LevelSudoku for Kids : Sudoku Puzzle Book Medium LevelEasy Sudoku Puzzle Book : Author data: Open Library