Phoebe Howell and her unicorn best friend, Marigold Heavenly Nostrils, are headed to music camp for the summer, where they form a punk rock group with fellow campers Sue and Stevie. Marigold also discovers a portal to a parallel dimension where she and Phoebe come face-to-face with the dark and sinister versions of themselves. Throughout their magical and musical adventures, the best friends learn about the value of friendship, following your heart,...

A new school year means many things for nine-year-old Phoebe Howell and her unicorn best friend, Marigold Heavenly Nostrils. They prepare for a school dance (lame!), meet new friends (ghosts and gnomes and goblins, OH MY!), and even experience a rare supernatural phenomenon called a Unicornado! In fact, sometimes things get almost too magical. Marigold's presence attracts pixies, talking birds, and a sphinx, turning Phoebe's house into a magical sylvan...