Bella demanded answers to Edwards' behavior while they were eating in Port Angeles. This was after he followed her and saved her from a gang of guys following her in the city.
Jacob gives Bella a dreamcatcher for her birthday in New Moon. He gives it to her, hoping it will help detour her nightmares.
We are first introduced to Jane in New Moon. Jane has the ability to inflict pain on others with her mind, however her powers do not work on Bella. This is tested when Edward, Alice and Bella are brought to the Volturi.
Jacob is actually suppose to be the Alpha in the Quileute Tribe but he bows down because he believes that Sam will make the better Alpha.
Harry Clearwater dies from a heart attack because he sees Victoria in the woods. Harry knows the truth about the giant wolves and the vampires.
Jasper has the power of mind control. He is able to control a person's actions and behavior. He discusses this in depth with Bella, when they are gearing up against their battle with Victoria's army of new vampires.
Forks High School is actually a real high school and many fans have ordered apparrel from the school.
In Twilight when Bella is being hunted by the tracker, Carlisle emphasizes to Rosalie that the Cullens protect their family. Bella was considered family because she and Edward were together.
The picture in Bella's room can be looked at as a sign, as to what is to come in Bella's future.
Edward is referenced as the fastest vampire throughout Twilight. He is able to beat the other Cullens to the ballet studio to save Bella from the tracker and is able to track down the tracker's where abouts sooner than anyone else.