Did you know that the word dinosaur means "terrible lizard", the heaviest dinosaur weighed as much as 17 African elephants, and that Stegosaurus had a brain the size of a walnut? Learn more surprising facts in this lively and fascinating picture book all about dinosaurs. Wow! is a fantastic series not only filled with the best and most amazing facts about popular science topics, but each book also includes beautiful illustrations with fun and interactive artwork clues that lead readers through the book and stimulate discussion. This appealing series is certain to make readers say "Wow!"over and over again.