Cómo funcionan los parques de diversiones (How Amusement Parks Work) 6-Pack

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...

Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to the six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.

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.

In Showing Kindness, beginning readers will learn about all the ways they can be kind and considerate in their daily lives. Vibrant, full-color photos and carefully leveled text engage young readers as they discover how they can build character by showing kindness.

Un canto a la libertad, el amor y la amistad. Este libro recrea la vida de Hipatia de Alejandría, una figura capital de la antigüedad y protagonista del filme Ágora, de Alejandro Amenábar. Estuvo versada en filosofía, matemáticas y astronomía, pero su clase magistral para la historia fueron su sed de vida y de conocimiento, así como el valor y la entereza para defender sus ideales de convivencia y tolerancia. Hipatia fue un espíritu libre, una voz incómoda a causa de la férrea voluntad de llevar una vida plena como mujer sin pedir perdón por ello, aunque debiera pagar por ello el...

Flok es un espíritu. Hay espíritus que cuidan de las cosas importantes, como de que el viento no rompa los árboles. Y los hay que cuidan de las cosas poco importantes, como de que las arañas encuentren un buen sitio para hacer sus telas. Flok es un espíritu que cuida de cosas de poca importancia. Esta es una historia sobre el ingenio y la importancia de los seres que parecen poco importantes.

What does it mean to be a good citizen? Full-page, color photographs accompany real-life examples of good citizenship that young readers will understand, relate to, and be inspired by.