Books in Let's Find Out! series

Written with age-appropriate, easy-to-follow language, this book is a perfect resource for young readers interested in everything to do with computers. Readers will gain insight into the history of computers, how computers work, and what components each computer tends to have. They will learn how computer technology has changed and how computers have served different needs in different times. Through engaging text that's complemented by colorful, detailed images, readers will learn about all kinds of computers and their many uses.

Inexperienced users of computers often jump at the chance to click colorful flashing ads on the sidebar and are also tempted to download files from sites not worthy of trust. In short, people need to learn how to stay safe online. This book will introduce readers to different types of online threats, including viruses and malware. They will learn how different dangers spread and some basic steps to stop or prevent them. Additionally, this book will illuminate the scary consequences of falling prey to those threats, such as having personal information stolen or deleted, and cyberstalking.

Learn what helps a mammal survive the depths of the cold, populous oceans. Examine the adaptive features and diets of marine mammals, and explore their distinct methods of reproduction and nurturing. Learn about climate change and its risk to marine mammal and environmental preservation. Vocabulary call-outs throughout the title, along with a separate glossary after the main text, will help improve the language skills of readers, while thoughtful and comparative questions create connections between other types of animals. Stunning photography coupled with research-focused content combines for an experience that will give readers a greater understanding of our world.

Fatty foods are worrisome to health professionals and consumers alike, and for good reason. Obesity rates are alarming, and people of all ages struggle to control their weight. Many fail to understand, though, that fats are necessary for growth and for maintaining healthy bodies. They cushion and protect vital organs and store reserves of energy. This volume explains for young children both the positive and negative aspects of fat-containing foods. It differentiates the types of fats people consume, notes the links between fats and calories and fats and cholesterol, and addresses such issues as the dangers of dieting by fasting.

Out of the need for speed came the motorcycle. The first model was a bicycle with an engine strapped to it. Since then, the motorcycle has become its own vehicle, with a model to suit almost anybodys needs. This informative resource will appeal to young readers who love motorcycles and for those writing reports. It examines the invention and development of the motorcycle, the essential components of a motorcycle, and how motorcycles work. A special section on safety rounds out this resource, which will have readers revving up their engines.

Sounds are all around us, but what makes sound? How does it travel? What can it do? These questions and more will be answered as the science of sound energy is examined in depth. Readers will learn how the physical movement of objects creates sound, as well as the qualities of sound and how they vary, and are received. The uses of sound energy in various fields will be explored. Simple illustrations of sophisticated scientific concepts will enhance the young learners understanding of the topic.

Through space exploration humans have learned a great deal about the planets, stars, and other objects in space. More than five thousand spacecraft have been launched into space to gather information since 1957. Without space travel, NASA may never have developed many of the things we take for granted today, such as cell phone cameras, CAT scans, and ski boots. This useful and interesting resource discusses the many types of manned and unmanned spacecraft, describes how a rocket works, and looks ahead to space travel's future.

Millions of people are calorie-conscious. They measure the number of estimated calories contained in their meals primarily because they wish to lose weight or avoid gaining it. But many of these people miss the big picture, the fact that regular exercise is as important as caloric discipline. This book explains the ins and outs of calories for young children. It describes the sources of calories, daily calorie needs, the meaning of "empty" calories, and the problems that can result if someone eats too many of them. Your readers will understand the need to balance caloric intake with exercise.