True Blood is about mythical creatures.
The Southern Vampire Mysteries . In The Southern Vampire Mysteries/True Blood Series , Harris develops a detailed mythology and alternate history that approaches supernatural beings as real ; at the beginning of the series , vampires ' existence has only been public knowledge for a couple of years , while other supernatural beings , such as werewolves , shapeshifters , faeries , etc. , exist but do not go public until later in the series . True Blood . television series produced and created by Alan Ball and based on The Southern Vampire Mysteries series of novels by Charlaine Harris . A vampire is a being from folklore that subsists by feeding on the life essence ( generally in the form of blood ) of the living .