Did you know that the brachiosaurus was the tallest dinosaur that we know of today? That the kosmoceratops had fifteen horns and hooks on its head? That the spinosaurus is the only known dinosaur to spend most of its time swimming? Discover this and much more in Dino Dana: Dino Field Guide. Inside you'll find: colorful dino pictures ; fascinating scientific facts ; dino experiments ; field notes about all your favorite dinosaurs!