What is "paddle-to-the-sea"

Paddle-to-the-Sea is a 1941 children's book, written and illustrated by American author/artist Holling C. Holling. It was recognized as a Caldecott Honor Book in 1942.

The film Paddle to the Sea, based on this book but omitting many details, was produced by the National Film Board of Canada in 1966, directed by Bill Mason. It was nominated for an Oscar.