Sandra Markle

Acclaimed science author Sandra Markle offers a fascinating look at Gobi bears—the rarest bears on the planet. These adorable animals face threats ranging from illegal gold miners to climate change. Find out more about these bears, which are considered a national treasure in Mongolia, and learn what scientists are doing to help this critically endangered species. "Markle clearly and efficiently introduces a bear unfamiliar to most North American...

This book describes skunks, prey animals that have a powerful defense weapon.

Every year in Namibia, about two thousand zebras suddenly disappear from their grazing area along the Chobe River. Months later, the herd returns. Where do they go? And why? Thanks to satellite-tracking collars, scientists were able to solve the mystery, but several questions remain. Award-winning science author Sandra Markle reveals the process scientists used to study the zebras, and she also delves into the science of migration, exploring how animals...

This book describes a North American porcupine, a prey animal that can drive its quills deep into an enemy's skin.

What is that huge, hairy spider—the size of a dinner plate? It's a tarantula! In this book, you will learn how tarantulas are similar to and different from other arachnids. Close-up photographs and diagrams reveal extraordinary details about the tarantula's body both inside and out. A hands-on activity illustrates how a tarantula grows bigger and bigger by molting. Learn more about this fascinating member of nature's Arachnid World.