Discover the beautiful and fascinating unicorn of the sea, the narwhal, with words by a Planet Earth II producer and pictures by an award-winning artist.

"Now the narwhal must begin their epic journey north. It’s a journey with many dangers along the way…"

Join us on an icy journey into Arctic waters, as we dive down deep with one of the most enchanting creatures in the world – the narwhal. Learn about how narwhals have adapted to their freezing habitat, how they look after their young and all about their distinctive, mysterious tusks. Complete with an index and a conservation note, this is a wonderful addition to the Nature Storybook series, which showcase the stories of animals all over the world.

• A Nature Storybook focusing on a magnificent creature that has achieved near-mythic status and been dubbed the "unicorn of the sea". 
• Justin Anderson and his team captured the first aerial footage of the narwhal migration for the wildlife documentary Nature's Great Events.
•  Jo Weaver is the award-winning author and illustrator of Little One, which was long-listed for the Kate Greenaway Medal.