Welcome to a dive into the heart of the sea! Page after page, this book reveals the secrets of the amazing animals and plant life that inhabit the oceans, from the seaside to the abyss. Discover how long a sperm whale can go without breathing, how a lanternfish feeds, how boiling water gives birth to small worlds on the ocean floor, and how the very small krill plays a very big part in it all. Have fun along the way finding the animals hidden in the pages, and at the end of the journey discover a giant poster!