Unicorn vs. goblins / Simpson, Dana

Phoebe and her best friend Marigold, a unicorn, embark on a series of adventures during their summer break, before returning to school where they deal with dodge ball, rescue Dakota from goblins, and briefly gain popularity.

"School's out! That means no more teachers, no more books, and lots of time to compliment Marigold Nostrils on her good looks. In this third volume, Phoebe and her obligational best friend, Marigold, learn that summer still has plenty of surprises. Have fun with Phoebe and Marigold as they continue the 'Phoebegold Detective Agency,' spend a week at Wolfgang Music Camp, and find themselves in more misadventures, thanks to Marigold's enchanted sparkles"--Back cover.