The brachiosaurus was a long-necked behemoth that lived more than 145 million years ago. This hefty herbivore was taller than a giraffe and weighed over 6 times more than an elephant. Students will find out about this giant plant-eating dinosaur's many adaptations, including how its heart pumped blood to its head and how its long neck helped it find food. Full-color images and photographs of fossil records will excite any dinosaur fanatic.