Here is a classic piece of literature that has made the transition to film very well. If you've never read the original, you can read the full text at Classic English Literature Notes. For a gloss of the story and background on the author, check out Wikipedia.
The Old Man and the Sea is a 1999 paint-on-glass-animated short film directed by Aleksandr Petrov, based on the novel of the same name by Ernest Hemingway. The film won many awards, including the Academy Award for Animated Short Film. Work on the film took place in Montreal over a period of two and a half years and was funded by an assortment of Canadian, Russian and Japanese companies. French and English-language soundtracks to the film were released concurrently. It was the first animated film to be released in IMAX.
1999 - Cinanima: "Grand Prize"
1999 - Japan Media Arts Festival: "Grand Prize" (Animation)
1999 - Montréal World Film Festival: Nominated for "First Prize (Short Films)"
2000 - Academy Award for Animated Short Film
2000 - Annecy International Animated Film Festival: "Audience Award", "Grand Prix for Best Animated Short Film"
2000 - BAFTA Awards: Nominated for "Best Animated Short Film"
2000 - Buster International Children's Film Festival: "Politiken's Short Film Award"
2000 - Genie Awards: Nominated for "Best Animated Short Film"
2000 - Jutra Awards: "Jutra" in the category "Best Animated Film"
2000 - Mainichi Film Concours: "Ofuji Noburo Award"
2000 - Saint Petersburg Message to Man International Film Festival: "Special Jury Prize" in the category "International Competition"
2000 - Zagreb World Festival of Animated Films: "First Prize" in "Category C - 15 Min. to 30 Min."
2001 - Burbank International Children's Film Festival: "Director's Gold Award"
2001 - San Diego International Film Festival: "Festival Award" in the category "Best Animation"