(500) days of summer : the shooting script : Neustadter, Scott
: The script includes plates and production notes, documenting the writing process that Neustadter famously claimed was 75% based on his own real-life heartbreak. Archived Multimedia and Soundtracks
Finding "(500) Days of Summer" on the Internet Archive: A Guide to Scripts, Soundtracks, and Spoilers
: Reading the screenplay reveals the careful planning behind the non-linear structure, such as the famous "Expectations vs. Reality" split-screen sequence.