The ocean is filled with giant, strange, and scary creatures such as whales, octopuses, and sharks—but the prehistoric megalodon was powerful enough to crush a killer whale. Other sea beasts of the past could hold their own against even the most mysterious of modern sea creatures. Sea scorpions had claws the size of tennis rackets. Tanystropheus used its long neck to catch fish from land. And Leedsichthys had as many as 40,000 teeth! What would happen if these extinct bea...

Dive down to the watery depths and encounter the ten strangest creatures living in the oceans. You'll discover:● a fish with an angling light● a snail that harpoons its prey● a squid with eyes bigger than a human headCome face to face with these extreme animals and learn their secrets!

Did you know that dinosaurs weren't the only prehistoric beasts on Earth? Even before the time when dinosaurs lived, there were many other incredible creatures, and some were even bigger and more terrifying than T. rex. Entelodonts had strong jaws designed to crush bones. Quetzalcoatlus was the largest ever flying creature—about the size of a fighter jet! And Dimetrodons were the first animals to have notched teeth for slicing through flesh. What would happen if ...

Come along with Ackerley the Acanthostega to visit the Triassic and Jurassic periods, 203-145 million years ago. Watch the first dinosaurs appear. See them grow in size and numbers to dominate on land, in the air, and in the oceans.Discover the facts, fossils, and fun science behind Earth's earliest dinosaurs, as well as flying reptiles, mighty sea beasts, and the first birds. This second part of the exciting story of life on Earth unfolds through amazing lifelike illustrations and...

Follow Ackerley the Acanthostega through the Cretaceous period, 145 to 66 million years ago, when the mightiest dinosaurs stalked the planet. Watch them seek prey, battle enemies, and finally face mass extinction.Discover the facts, fossils, and fun science behind the fiercest carnivores of this time period. Learn about the rise of the raptors, the largest dinosaurs, and the great extinction. This third part of the exciting story of life on Earth unfolds through amazing lifelike il...

What if elephants were as small as dogs? What if frogs were protected by armor? In prehistoric times, they were! In fact, other than a few unique changes, lots of prehistoric beasts looked similar to modern animals that live on Earth. Hedgehogs had long tails and no quills, some birds laid eggs the size of footballs, and dragonflies could eat reptiles and amphibians! If these extinct beasts came to life, they might look familiar—but you wouldn't want to get in their way! Read this book to ...

Track down the ten most awe-inspiring animals in the rain forests of the world. Step away from those jaws, claws, and muscles, because here you'll find:● the largest snake in the world● blood-sucking vampires● an eel that kills its prey with electric shocksCome face to face with these extreme animals and learn their secrets!

Discover the ten most bizarre snakes, lizards, and other reptiles on the planet. Many lived at the time of the dinosaurs. Could this explain their grotesque features? Check out:● blood-squirting lizards● monster crocodiles● the deadliest snakeCome face to face with these extreme animals and learn their secrets!

Join Ackerley the Acanthostega and travel back in time 4,500 million years to the Precambrian period, when our planet first formed. Witness the appearance of the very first organisms in the Devonian, Carboniferous, and Permian periods. Watch new forms of life emerge as warm seas allow fish to thrive and plants blossom to give food and shelter to flying and scurrying insects.Discover the facts, fossils, and fun science behind the birth of our planet, including early life forms, gian...

Look closely at the ten most amazing insects and spiders that buzz, dart, and hang out all over the world. Beware of those bites and stings as you encounter:● a hornet that will chase humans● a louse that lives on a fish's tongue● a centipede that will fight snakesCome face to face with these extreme animals and learn their secrets!

Gorillas can be pretty big, but just wait until you see Gigantopithecus. This huge ape lived 9 million years ago and was three times as heavy and two times as tall as a modern gorilla. There were lots of other prehistoric giants, too. Giant camels lived in the United States and even in the Arctic. Another beast was Stupendemys—a turtle so large that a car could fit on its shell! What would happen if these giant beasts came to life? Imagine prehistoric giants walking the s...

Learn all about dinosaurs with Fly Guy and Buzz!Fly Guy and Buzz are ready for their next field trip! And in FLY GUY PRESENTS: DINOSAURS they visit a natural history museum to learn all about dinosaurs. With straightforward text, humorous asides, and kid-friendly full-bleed photographs throughout, young readers will learn lots of fun facts about these prehistoric creatures. Award-winning author/illustrator Tedd Arnold really brings nonfiction to life in this fun nonfiction reader!