The unicorns' sleepover gets spooky in the third book of this sparkly new chapter book series that follows the trials and triumphs of young foals attending Unicorn University--perfect for those who love magic, happiness, and My Little Pony It's Fall Break at Unicorn University, and the four unicorn friends are having a sleepover at Sapphire's barn by the sea It will be a night full of yummy snacks, silly pranks, and maybe even...