another Phoebe and her unicorn adventure
"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"--Provided by publisher.