About the characters in the Leonard series: Julio, a little vampire, lives in the cemetery. He has a human friend, Leonard. But vampires are not supposed to exist! How can they keep their friendship a secret when everyone is watching? About the Premier Roman series: The Premier Roman series was especially designed for children learning to read. These novels feature universal themes, endearing characters and plenty of humor, presented in short chapters and simple sentences with an airy layout and many illustrations.