The film Edie indeed has roots in a true story. It takes inspiration from actual occurrences and presents them in a cinematic form, though with some creative liberties for dramatic effect.
Perhaps the author wanted to explore certain themes or ideas through the fictionalization of Edie Flowers. It might have been a means to make a broader statement or comment on society, human nature, or other concepts.
One of the best Falco novels could be 'The Silver Pigs'. It's a great start to the series as it introduces the character of Falco in a vivid and engaging way. The mystery and the historical setting in ancient Rome are well - crafted.
Well, 'Edie' is indeed based on a true story. The filmmakers adapted and dramatized the real-life events to create an engaging cinematic experience. However, some artistic liberties might have been taken to make the story more compelling for the audience.