Zoe has come to help Fairy Unicorn Island, but this time it is her best friend, Astra, who is in danger...

The time has come to defeat Shadow, the evil fairy pony, once and for all, and Zoe returns to Unicorn Island to help. But her best friend, Astra, the fairy unicorn, is in terrible danger, and only Zoe can save her... A thrilling addition to the Fairy Unicorns series, full of magic and adventure. The perfect chapter books for newly independent readers.