Since as far back as Kyle and Evie Preston can remember, their grandmother told fantastical tales about elves who had been trapped underground by giants for thousands of years. Now grandmother is gone, and the siblings are surprised to discover that they

When Polly’s horse has a unicorn fowl, people get greedy and try all sorts of things to get their hands on the unicorn. Meanwhile Polly is about to be sent to a boarding school. Can she and her friend Toby still save the little unicorn?

A scientist awakens King Arthur and his knights, and the forces of good and evil do battle once more.