This flipbook shows one of the most famous scenes in American film history, in which Marilyn Monroe cools off by standing over a New York subway vent. Oo-la- la! Flipbooks are those little books that show a movie or animation in your hands when you flip the pages with your thumb. People of all ages, backgrounds and nationalities are fascinated by flipbooks. They're fun, creative, affordable and have a universal appeal that never goes out of style. When people see a flipbook, they always say "Wow!"