Fumiko Kawai

Book #1: Kakuro For Beginners

Book #2: Kakuro Cross Sums

Book #3: Kakuro Puzzle Book

Book #4: Kakuro Puzzle Book For Adults

Book #5: Kakuro Puzzle Easy

Book #1: Easy Kakuro Puzzles

Book #2: Hard Kakuro Puzzles

Book #3: Kakuro Book

Book #4: Kakuro Easy

Book #5: Kakuro For Beginners

Book #1: Killer Sudoku For Beginners

Book #2: Killer Sudoku For Relaxation

Book #3: Killer Sudoku For Travelers

Book #4: Killer Sudoku Puzzle Book

Book #5: Killer Sudoku Puzzle Book For Adults

Book #1: Killer Sudoku Book With 9x9 Puzzles

Book #2: Killer Sudoku Book

Book #3: Killer Sudoku Puzzle Book

Book #1: Kakuro For Kids

Book #1: Sudoku For Kids Age 10

Book #2: Sudoku For Kids 8-12

Book #1: Numbricks Puzzle Book

Book #2: Numbricks Puzzle Book For Adults

Book #3: Numbricks Puzzles

Book #4: Numbrix Book

Book #5: Numbrix Puzzle Book

Book #1: Sudoku 15x15

Book #2: Sudoku 16x16

Book #3: Sudoku 16x16 Extreme

Book #4: Sudoku Extremely Hard

Book #5: Sudoku For Adults

Book #1: Sudoku Variants

Book #2: Sudoku Variants Puzzle Book

Book #3: Sudoku Variations

Book #4: Sudoku Variations Puzzle Book