¡Cuenta conmigo! La feria de la escuela

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 may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, and who works against it, and all other forces that contribute to a successful dive or climb. After reading this book, readers can decide if they will ever be interested in engaging in one of these extreme sports.

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.

With TIME For Kids content, this 6-Pack introduces first grade students to the concept of animals. With vibrant images and simple text, this Spanish title will keep students reading from cover to cover as they develop their foundational literacy skills.

Heredero de la gran tradición norteamericana en narrativa de terror, que nace con E.A. Poe y pasa por H.P. Lovecraft, Stephen King ha logrado con sus obras una difusión jamás alcanzada por ningún otro autor en este género, dotándolo de una vitalidad envidiable. Danza Macabra (1981) es un lúcido y divertido ensayo, lleno de referencias a multitud de obras y jugosas anécdotas biográficas, que pretende dar respuesta a la paradoja esencial del aficionado a la ficción de terror: «¿Por qué hay personas dispuestas a pagar a cambio de sentirse extremadamente incómodas?» Y para abordar...

Fomalhaut es una estrella muy especial que nos va a contar su increíble historia, y a través de ella entenderemos un poco mejor cómo funciona el Universo. Fomalhaut es además una estrella muy sensible, ¡le encanta la poesía!

Many insects hatch from eggs and molt several times as they grow bigger. Others, such as butterflies, undergo a complete metamorphosis. A common science curriculum topic, insect life cycles may be confusing because of these differences. However, this book breaks down these cycles into easy-to-understand steps in both accessible language and colorful diagrams readers can turn to for review again and again. The most important vocabulary needed to talk about insect life cycles is further explained in fact boxes and an extended glossary.