Into the Darkness (The Casteel Family)

Hearing a young man's scream in the night the year she becomes a high-school senior, Lorelei discovers that her stern but loving adoptive father is actually a vampire and that he has raised his daughters to seduce and lure men into their world of shadows, a situation that is complicated by her growing feelings for a classmate. Simultaneous. Hardcover available. 500,000 first printing.