Sandra Markle

An introduction to the lives of wolves that focuses on how they hunt and how they raise their cubs.

Stick insects use their long, narrow bodies to hide in plain sight. They escape predators by falling to the forest floor, where they blend in with sticks and fallen leaves. Learn all about stick insects through exciting augmented reality experiences.

• A father who was blind has an eye tissue transplant that lets him see for the first time. • A man whose own body attacked parts of his eye receives artificial coreneascorneas and is able to see again.. • A musician with faulty cells in the retinas of his eyes is given gene therapy to correct his failing vision. That's powerful medicine! Explore the power of medicine through the true stories of people who underwent amazing treatments to regain...

They are stealthy arachnids-and most are smaller than this period. They are mites! In this book, you will learn how mites are similar to and different from other arachnids. Close-up photographs, micrographs, and diagrams reveal extraordinary details about a mite's body both inside and out. A hands-on activity shows how quickly a few mites can multiply into hundreds. Learn more about this fascinating member of nature's Arachnid World.

Dig into the lives of lions with Ranger Rick in this beginning reader with full-color photos of lions in the wild! What if you wished you were a lion? And then you became one? Could you eat like a lion? Sleep like a lion? Live in a lion family? And would you want to? Find out! Ranger Rick explorers can learn all about lions in this reader full of fascinating facts, vivid wildlife photographs, a Wild Words glossary, and a hands-on activity about practicing...

• A triathlon athlete has part of her skull removed to relieve the pressure on her injured brain after a car accident. • A soldier, wounded by a mortar explosion in Iraq, works with doctors to retrain his brain so he can speak and walk again. • Doctors have discovered that administering extra doses of two chemicals naturally produced by the body can help prevent additional neuron damage in the brain following an injury. That's powerful medicine!...

Be alert for a fancy spider web stretched across a path-it's the trap of a hungry orb weaver! In this book, you will learn how orb weavers are similar to and different from other arachnids. Close-up photographs and diagrams reveal extraordinary details about the spider's body both inside and out. And a hands-on activity will give you an idea of how the orb weaver can detect prey caught in its web. Learn more about this fascinating member of nature's...

Did you know that rats can be heroes? In the southern African nation of Mozambique, these amazing rats (which are the size of a small house cat) have helped clear landmines. And that's just one of the incredible stories in this book. Award-winning author Sandra Markle has collected wonderful true stories about animals that have rescued humans-and other animals. With fabulous photographs of the featured animals, this book is sure to appeal to animal...