What is the difference for rumble fish the book and rumble fish the movie?

The book "Rumble Fish" by S.E. Hinton was published in 1975, while the movie adaptation was directed by Francis Ford Coppola and released in 1983. The movie stays true to the basic plot and characters of the book, but there are some differences in themes and character development. Additionally, the movie adds stylistic elements, such as black-and-white cinematography and a more stylized narrative.