La tierra y la importancia del agua

En la edad media, el Rey decide emprender un viaje y avisa a Lord Camdenton que parará a descansar en su castillo. Esto significa mucho trabajo para el Lord: ¡a veces el rey viaja con casi cien acompañantes! Fiesta Medieval es un precioso y entret

We use machines every day, but most of us don't understand how they work. When they break down, most of us have no idea how to fix them. Mechanics are the masters of machines. Readers learn that mechanics work on vehicles, including cars, boats, and buses. They use special tools to take them apart and fix what's wrong, and they use their experience and technology to diagnose problems. They often work long hours, sometimes in bad weather, to get us where we need to go. Your readers will see that mechanics keep our world moving and growing.

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther. This 6-Pack includes six...

Coders are one of the reasons our computers, tablets, and smartphones can do things we couldn't have even imagined just a few years ago. It's no surprise that coders are in high demand right now and that isn't likely to slow down. Readers will learn about the basics of coding and how to turn their creative ideas into reality on the computer screen. They'll also understand why coding will become even more important as technology continues to grow and change. Colorful photographs showing the roles and education of a coder provide readers with an easy way to envision themselves in this...