As a new school year looms, ten-year-old Phoebe and her unicorn best friend, Marigold Heavenly Nostrils, decide to make the most of the final days of summer. They plan a joint birthday party and invite everyone–humans and magical creatures alike. After encountering her robotic double, Marigold faces a big, sparkly identity crisis. When Robot Marigold volunteers for a mission to space, she turns to Phoebe and Marigold for help. Will this otherworldly expedition find success? Grab your space suits and find out in this stellar collection of Phoebe and Her Unicorn comics, where friendship and fun are out of this world!