1. The Green Book: A Guide for the Negro Motorist: This was a travel guide for African Americans in the United States during the Jim Crow era. It provided information about safe places for Black travelers to stay, eat, and get gas, as these places were often segregated. This book would be categorized as non-fiction, specifically travel literature or social history.
2. The Green Book (2018 film): This is a biographical drama film based on the true story of Don Shirley, a Black pianist, and Tony Lip, a working-class Italian-American bouncer, who embark on a road trip through the segregated American South in the 1960s. This film would be categorized as drama and biographical film.
To understand which genre you're interested in, you need to clarify if you're referring to the book or the movie.