13 books • 3 series
Sudoku for Adults (Sudoku for Adults, #7)
King of Sudoku (Sudoku for Adults, #6)
Sudoku Hard (Sudoku for Adults, #5)
Sudoku Relax (Sudoku for Adults, #4)
Wonderful Animals
Powerful Animals
Sudoku (Sudoku for Adults, #2)
Big Sudoku (Sudoku for Adult, #1)
Mandala Animals (Adult Coloring Book, #7)
Magical Animals (Adult Coloring Book, #3)
Beautiful Animals
Adult Coloring Book (Adult Coloring Book, #1)
Sudoku American