When Zoe discovers that Unicorn Island is flooding, she knows she has to stop the waters and fast. Is there any way for Zoe and her best friend Astra, the fairy unicorn, to save the island from disaster? Fairy Unicorns is an exciting addition to Series Three of Usborne Young Reading, introducing children to original, illustrated fiction with easy reading texts. Series Three is for newly fluent readers who are ready for longer stories.