East West PRESS HOUSE
Happy Father's Day 300+ Sudoku Puzzles Easy to Difficult
Happy Father's Day 300+ Sudoku Puzzles Easy to Hard
Happy Father's Day 300+ Sudoku Puzzles for Dad Easy-Medium- Hard
Happy Father's Day 350+ Sudoku Puzzles Easy-Medium-hard
Happy Father's Day Challenging Sudoku Puzzle Book
Happy Father's Day Sudoku Puzzle Book 300+ Puzzles