Caroline Arnold

Two worms who are best friends have fun together as they tunnel their way through a garden. Includes facts on how worms help plants grow.

Takes the reader on a chilly journey and explains what happens in a penguin's world.

Takes the reader on a trip to China's high country and explains what happens in a panda's world.

Describes the development of a baby zebra to its maturity.

Describes Megalodon, an extinct shark that was more than fifty feet long and could swallow an object the size of a small car.

"You haven't changed a bit! Living fossils, or modern-day animals that very closely resemble their ancient relatives. Meet the coelacanth, horseshoe crab, dragonfly, tuatara, nautilus, and Hula painted frog. All are living fossils. Why have they changed so little over time, while other animals evolved or went extinct? Using contrasting "then" and "now" illustrations, veteran nonfiction writer Caroline Arnold alternates between a prehistoric creature...

Explains how people and animals living in different parts of the world survive in hotter and colder climates using remarkable adaptive strategies and behaviors.

A growing body of fossil findings-of dinosaurs with feathers-have finally cemented the bird-dinosaur connection. This book presents new and old evidence of how these ancient creatures are related to modern birds.

Discusses the variety of animals found in the rainforests, mountains, grasslands, and coastal regions of South America, including the birds, mammals, reptiles, and amphibians.