Charles Hofer

Car racing is one of the fastest-growing sports in the United States. This book will give kids an inside-and-out look at how race cars are built for speed.

An irrigation system is an arrangement of canals and conduits that bring water to crops that need it. Even the earliest civilizations found ways to irrigate their crops with water from nearby rivers. In time, simple canals gave way to more advanced technology, leading to today's massive irrigation systems. In this book, readers will explore essential STEM topics while learning the fascinating history behind irrigation systems, including their different...

What's it like to zoom through the sky in a powerful plane? This book shows readers the mechanics of airplanes, while colorful pictures bring the fly life down to a kid's level.

When thinking about natural disasters, floods probably aren't the first thing that come to mind. However, a sudden rise in water level can cause great destruction and even death. This book explores where and why floods occur and features photographs of the incredible damage they can cause. Readers will learn how people survived some of the worst floods in recent history as well as new prediction methods to help avoid the damage and destruction floods...

The world is crawling with all sorts of bugs and other little critters. But don't be fooled by their small size. Many of these creatures are quite dangerous. Some are armed with powerful poison that can kill a person. Others carry and spread deadly diseases. Brace yourself to discover some of the world's tiniest killers.

With big eyes and ears and colorful bodies, a lot of creatures in nature look very cute. But don't be fooled by their adorable appearance. When provoked, these animals can easily injure or kill a person. Their defense mechanisms like poison and sharp teeth and claws can turn them from darling to deadly. Get ready to discover some of the world's cutest killers.

Animals have played an important role in warfare throughout history. Military forces have long relied on animals' natural abilities to achieve their missions. From medieval warriors charging into combat on horseback to dolphins locating explosive mines at sea, take a look at the many ways animals have helped armies find success on the battlefield. Then be sure to catch the other amazing titles in the Beasts and the Battlefield series.

It's a battle between two terrifying, tooth-filled predators! The great white shark is today's largest predatory fish. But millions of years ago, megalodon ruled the seas as the ocean's deadliest hunter. Learn what makes these similar monsters of the sea so deadly. Then decide which one would triumph if they battled in the ocean's depths.

Halloween is a holiday that features all things creepy and scary! Also known as All Hallows' Eve, people enjoy decorating their homes with jack-o'-lanterns, spider webs, skeletons, and other creepy items. Many kids love to dress up in costumes and go trick-or-treating for candy. Some people enjoy watching scary movies. Discover how this holiday began and the spooky ways people have fun with it.

It's a battle between two fearsome, fanged beasts! Today, the Siberian tiger holds the record as the world's biggest cat. But in prehistoric times, the saber-tooth cat held that title as it prowled the land for prey. Learn what makes these similar animals such effective hunters. Then decide which fierce fighter would best the other in battle.