In the penultimate title in the amazing story arc that began with "How to Train Your Dragon, " Hiccup is faced with a personal dilemma against the backdrop of an impending battle and the possible destruction of everything he knows.

Cressida Cowell is the #1 internationally bestselling author and illustrator of The Wizards of Once and the How to Train Your Dragon series. She grew up in London and on a small, uninhabited island off the west coast of Scotland, where she spent her time writing stories, fishing for things to eat, and exploring the island. She now lives in Hammersmith, England, with her husband, three children, and a dog named Pigeon.