Join Rabbit, Mouse, and Bird as they travel across the ocean and see the amazing animals there.

Find out more about life on the ocean floor as the Octonauts embark on six exciting missions in the Big Book of Ocean Adventures. Our brave under-water explorer

From the team behind the best-selling Atlas of Adventures comes the deepest adventure yet - a trip through the oceans of the world to discover creatures of the

"A Penguin original coloring book"--Back cover.