HHappy Hour SudokuHappy Hour Sudokude IsolvepuzzlesEdiciones (1)Happy Hour Sudoku (2019)Independently Published · inglés · ISBN 9781675738207Más obras de IsolvepuzzlesEEven-Odd Sudoku 8x8 Easy to EvilEven-Odd Sudoku 8x8 Easy to EvilSSudokuSudokuSSudoku for KidsSudoku for Kids