This thrilling and adventurous journey is the latest Discovery Plus title. Sharks have a fascinating history. They were swimming in prehistoric seas for about 150 million years before dinosaurs appeared on land. They have evolved so that they are now considered some of the most efficient hunters on the planet. Other predators are also explored, from night hunters to pack hunters, from owls to piranhas, from scorpions to killer whales. Each topic's spread contains a variety of related and interesting facts, color photographs, and detailed illustrations containing tabs, folds, acetates, and wheels.