Now newcomers and casual fans can appreciate the inside Bond jokes, too.

Aston Martin; MGM / Columbia

Skyfall, which marks the 50th anniversary of the James Bond films, is packed with references to 007's storied past with nods to both the earlier movies and the original Ian Fleming novels. Here are a few of the movie's most notable homages, with some additional intelligence on the saga's literary roots. (Warning: major spoilers ahead).