|Other Retailer||Price Checked Time||Their Price in AUD||Our Price|
|Amazon UK||today||31.29||$13.53||You save $17.76|
|Amazon US||2 days ago||20.84||$13.53||You save $7.31|
Frank Longo is a freelance puzzle creator who lives in Hoboken, New Jersey. He has had more than 2,000 puzzles published since 1993 and written many books for Sterling, including Master Ninja Sudoku, Oy Vey! Sudoku, and Exercise Your Mind, as well as crossword books.