For 9-year-old Phoebe Howell and her sparkling companion, Marigold Heavenly Nostrils, every day is an adventure. In this latest installation of Dana Simpson's award-winning series, Phoebe navigates the challenges of school life with a little help from her unicorn friend, who is always ready with the perfect spell for the occasion. But as the magic spells mount up, both Phoebe and Marigold find themselves wondering if sometimes they might be taking things just a little too far...