The earliest known bird, Archaeopteryx first appeared about 150 million years ago. Kids will be introduced to a creature that was no larger than a crow, but that proved remarkably important to scientists searching for answers about the ancient relatives of modern-day birds. The Exploring Dinosaurs and Prehistoric Creatures series is the first stepping-stone in developing a child's knowledge of prehistoric natural history. By learning about the incredible...

Pelycosaurs were lizard-like creatures that inhabited Earth long before dinosaurs first appeared. From sail-backed Dimetrodon to tiny Archaeothyris, pelycosaurs shared characteristics of both mammals and reptiles. Learn about the prehistoric animals that preceded dinosaurs by several million years. The Exploring Dinosaurs and Prehistoric Creatures series is the first stepping-stone in developing a child's knowledge of prehistoric natural history....

Describes what is known about the physical characteristics, behavior, habitat, and life cycle of this dinosaur with the sail-like spine.

Describes what is known about the physical characteristics, behavior, habitat, and life cycle of this slow-moving vegetarian dinosaur.

Describes what is known about the physical characteristics, behavior, habitat, and life cycle of this huge plant-eating dinosaur with the long neck and tail.

Emerald Ash Borers have shiny green bodies and an appetite for ash trees. This native Asian insect hitchhiked to North America and has killed millions of ash trees. Learn more about the emerald ash borer and what is being done to try to stop its spread.

Describes what is known about the physical characteristics, behavior, habitat, and life cycle of this large, bipedal, carnivorous dinosaur.

Swarms of the dinner-plate-size invasive Australian Spotted Jellyfish have been reported from East Texas to Florida in the Gulf of Mexico and along the Atlantic coastlines of Florida and South Carolina. These creatures present a major threat to the shrimp fishery. Readers will be introduced to the concepts of invasive species and challenged to think critically about the cause, effect, and control of dangerous creatures.

This book takes readers on a journey under the sea to discover the fascinating facts about rays, including physical features, habitat, life cycle, food, and more. Photos, captions, and keywords supplement the narrative of this informational text, while additional search tools--including a glossary and an index--help students locate and review important information.