They are often unknown animals, but our Seas and Oceans are full of amazing living beings: discover the biggest and the smallest underwater creatures with these two volumes in one book. Follow the little clownfish along the pages as a reference to understand how big (or small) the sea animals can be! The little book of the tiny sea animals fits perfectly in the padded cover of the big book. The newest title of an incredible best-selling series, with 150.000 copies sold in over 20 Countries in less than 2 years.