How many copies have been sold of a four book series featuring Bella Swan and Edward Cullen?
Twilight (novel series): Twilight is a series of four vampire-themed fantasy romance novels by American author Stephenie Meyer. Stephenie Meyer: Stephenie Meyer (née Morgan; ; born December 24, 1973) is an American young adult fiction writer and film producer, best known for her vampire romance series "Twilight".
i don't know