Zoe is back on Unicorn Island in time for the Midsummer Festival, but as the island grows hotter and hotter, the unicorns realize that Shadow, an evil Fairy Pony, has stolen the clouds. Zoe and her unicorn friend, Astra, must find the clouds before Unicorn Island is destroyed by the burning heat of the sun. But little do they realize a trap has been set for them along the way… 112 pages. Ages 7+