 Ten novels are set between the show's first and third season, and feature the Charmed Ones – Prue, Piper, and Phoebe Halliwell – as the most powerful witches of all time.Thirty-one novels are set after Prue's death in "All Hell Breaks Loose", starting with the novelization of the season four premiere "Charmed Again", and include Piper and Phoebe's half-sister Paige Matthews.Two works, "Seasons of the Witch" (2003) and "The Warren Witches" (2005), are anthologies of short stories.