Scholastic

Before a doctor can treat a patient, she needs to know what is causing the problem. However, it is not always easy to tell what kind of sickness is affecting someone. Readers will find out how animals can be put to work diagnosing some of the trickiest diseases, from dogs who sniff out cancer to mice who can detect bird flu. They will also learn how scientists are working to reproduce these animals" abilities with advanced electronic devices.

Many of the world's most dangerous illnesses are caused by tiny living things called bacteria.

Bacterial sicknesses once killed countless people. However, thanks to drugs called antibiotics, many types of deadly bacteria are no longer a major problem. Readers  will find out how scientists first began studying bacteria, how they created the earliest antibiotics, and how bacteria and antibiotics could change in the future.

Learn how people are trying to protect endangered bears and what the future could hold for these remarkable animals.

From the snowy white polar bears of the Arctic to the black bears that roam through parts of North America, bears have long been a common sight in many parts of the world. However, many species are becoming less common as they face threats such as illegal hunting and climate change. Readers will find out how bears live and what impact they have on the environment.

This book provides a short selection of experiments that can be performed using electricity.

When were batteries invented?

Italian scientist Alessandro Volta invented the first batteries in 1800.

Inside, you'll find:

* Why some materials hold electricity better than others;

* Experiments, a timeline, photos - and how electricity is created;

* Surprising TRUE facts that will shock and amaze you!

True Books have been upgraded and updated. Information is presented in a thorough yet engaging manner, featuring lively sidebars, a glossary, visual back matter, and an index.

Readers will learn about electricity while performing the short experiments in this book.

Why did ancient Egyptians put oil on the ground while they were building the pyramids?

The oil reduced friction and allowed them to drag huge stone blocks along the ground.

Inside, you'll find:

* How forces such as inertia and friction relate to motion;

* A timeline, photos - and how humans have used the laws of motion to invent things such as roller coasters and space shuttles;

* Surprising TRUE facts that will shock and amaze you!

True Books have been upgraded and updated. Information is presented in a thorough yet engaging manner, featuring lively sidebars, a glossary, visual back matter, and an index.

Genes are the blueprints for all life. When scientists first began altering genes to change the traits of living things, they unlocked an entirely new branch of science: genetics. Readers will get an overview of the science behind genetics and find out how genetics have changed our world. They will also meet some of the biggest innovators in genetics history and find out where the field is heading next.

Learn about the history of human-rhino interactions and find out what people are doing to save these animals from extinction.

With their enormous size and distinctive horns, rhinoceroses are immediately recognizable. Unfortunately, threats such as habitat loss, poaching, and natural disasters are causing these incredible animals to disappear from their natural habitats. Readers will find out how rhinos live in the wild and what roles they play in nature.

Learn how people with allergies avoid hidden everyday allergens and get a sneak peak at the new allergies treatments doctors are preparing for the future.

How common are allergies?

Around 8% of all children in the United States suffer from allergic reactions.

Eating peanut butter, petting a friendly dog, or sniffing a colorful flower are perfectly harmless activities for most people. However, for allergy sufferers, these can all be life-threatening experiences. Readers will find out why some people have allergies and others don't, how allergies are diagnosed and treated, and which substances are the most common allergens.

Bridges are a crucial part of trade and transportation. They allow vehicles and pedestrians alike to cross everything from rushing rivers to rocky ravines. Readers will trace the history of bridges from their invention in ancient times to the construction of today's engineering wonders. They will learn why different bridge shapes are suited to different purposes, how engineers choose which materials to use in bridge construction, and much more.

True Books have been upgraded and updated. Information is presented in a thorough yet engaging manner, featuring lively sidebars, a glossary, visual back matter, and an index.
Inside you'll find:

* The name of China's boy emperor;

* A map, a time line, photos - and the reason for building the Great Wall of China;

* Surprising, TRUE facts that will shock and amaze you. 

This book briefly examines the geology and environment of deserts, as well as the people and animals who make them their homes.

The BIG TRUTH! The desert weather report.  What is the forecast for today?

The average scorpion is about 2.5 inches (6 centimeters) long.

Contents:

1. Exploring the Desert.  What are deserts, and where are they found?
2. With sand and wind.  How does nature make a desert in the first place?
3. Man-made deserts.  How have people and cities changed the deserts of the world?
4. Home, sweet desert home.  How can people possibly live in some of the world's deserts?
5. Wildlife under the sun.  What kinds of plants and animals survive in deserts?

True statistics, Resources, Important words, Index, About the author.

True Books have been upgraded and updated. Information is presented in a thorough yet engaging manner, featuring lively sidebars, a glossary, visual back matter, and an index.

A True Book-Physical Science Whether you're an aspiring inventor or an everyday science buff, you've probably created your own experiments to uncover the truth about the forces of physical science. Now you can delve deeper into the topics of electricity, motion, gravity, and more with these titles that are perfect for the budding scientist in you.

Learn about the longest and most unique bridges in the world.

From China's remarkable Danyang-Kunshan Grand Bridge, which spans more than 100 miles, to the amazing Millau Viaduct, which allows drivers to travel almost 900 feet above the ground in southern France, bridges rank among man's most incredible engineering feats. Readers (Grades 3-5) will learn about some of the biggest and most unique bridges in history, from how they were planned and built to how they have stood the test of time.

In order to maintain careful control over the safety and accuracy of their experiments, scientists often work in laboratories. Labs give scientists the space and equipment they need to make their greatest discoveries. Readers will tour some of the world's most incredible laboratories, from the ocean research vessel that can flip from a vertical position to a horizontal one to the massive International Space Station. This well-written book will help readers identify key facts about science topics. The engaging content allows readers to draw connections between historical events and scientific ideas.

"Learn all about the oldest and newest places on Earth and find out how the world has changed over time."

What is the oldest animal species still living today?

Fossils show that horseshoe crabs have existed for approximately 450 million years.

Inside you'll find:

* How Earth has gone through natural changes over time;

* A timeline, photos - and how humans have helped shape Earth's progress;

* Surprising TRUE facts that will shock and amaze you.

Did you know?

Nishinoshima Island First developed during a volcanic eruption in 2013.

Trees have grown over the ancient Ta Prohm temple in Cambodia.

Many people believe that careers in science are difficult, dull, and boring. However, this is far from the truth. Readers will discover how science careers can be full of adventure and excitement as they learn about researchers who study the insides of active volcanoes, inventors who build incredible new robots, divers who swim alongside fearsome sharks, and much more. They will also find out how they can begin thrilling science careers of their own. This well-written book will help readers identify key facts about science topics. The engaging content allows readers to draw connections between historical events and scientific ideas.