Four Best Friends: Book 1

Austin, Scarlett , Addison and Alyssa have been best friends since they were kids. Austin and Addison were brother and sister. Scarlett and Alyssa are sisters. They go to Newtown high and are all seniors. But Austin is hiding something. He's a werewolf and doesn't know how to tell his friends. Will he be able to keep the secret forever? Or will he end up eating his friends?