The thrilling tale of adventure and partnership between a tiny snail and a great big grey-blue humpback whale by bestselling picture book team Julia Donaldson and Axel Scheffler.

This special jacketed hardcover edition celebrates 30 years of storytelling. It contains additional content from the creators, including the inspiration for the book, early sketches of the artwork, and the story of Julia and Axel's long-running creative partnership.