A voyage through time for children to discover curious things about our planet and how it has changed over the years causing the extinction of many animals, reading fascinating information. The protagonist of this book, our intrepid explorer, will lead children in discovery of wonderful extinct animals.

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!