The seas and oceans have always been home to some of the most fearsome and the largest animals on Earth. From giant sharks and fish to enormous air-breathing swimming lizards, i doubt you would have wanted to venture into the water during the age of the dinosaurs. Find out all about these water dwellers that lived alongside the dinosaurs in the prehistoric era. From their early evolution to eventual extinction, these books span the prehistoric era where dinosaurs ruled the world. From the biggest to the smallest, the hunting and defence strategies they use and the amazing variety of body, shapes, sizes and features that make these amazing creatures so unique to our history. Find out all about their dangerous world...if you dare! Six books in the series each focus on one particular aspect of dinosaur life and characteristics. For dino-mad kids everywhere aged 8-12.