| Aspect | Book | Movie |
|---|---|---|
| Edward's Vigilante Past | Edward tells Bella how he used to hunt and kill criminals. | Edward doesn't tell Bella until much later in the movie series. |
| Bella's Lullaby | Edward mentions that he wrote this song for Bella. | It's never stated that the song Edward plays for Bella is her lullaby. However, the song is reused pretty often throughout the movie series. |
| Alice and James | James hunted Alice when she was human. In order to save her life, someone turned her into a vampire. | Alice's backstory is left out of the movie. |
| Bella's Friends | Bella spends much more time with her friends, instead of focusing mainly on Edward. | Bella's focus is mostly on her relationship with Edward. |