With the help of magical unicorns, Ellabeth, Krystal, and Willow protect the beautiful kingdom of Avamay. They are the Unicorn Riders! In this tale, Ellabeth discovers the wild weather threatening Avamay is caused by Luminari, a magical sprite. The Riders must help Luminari unite his four elements. Can Ellabeth and the Riders get the elements and Luminari back to his master safely? Filled with magic and action, this enchanting series by Aleesah Darlison will captivate the imagination of any young reader.