Escalar y saltar (Climbing and Diving)

Readers will be amazed to discover that every time they climb onto bicycles and ride like the wind, they are defying gravity! This book explains the physics and history behind bicycles, skateboards, and surfboards. Readers learn what happens from the simplest movement of rolling forward to more complex tricks and stunts of jumping and spinning. Readers will never look at bikes, skateboards or surfboards the same way again.

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.

Read Along or Enhanced eBook: Learn the secrets to artful cupcakes, oven-fresh bread, and other delicious baked goods in this delightful nonfiction title. Readers will learn how mathematics helps bakers measure their ingredients to make tasteful treats. Featuring vibrant images and charts, informative text, and fun, intriguing facts, this Spanish-translated nonfiction book will leave children fascinated by all the details that go into baking their favorite treats--like doughnuts and cookies!

Computer science is all around us—at school, at home, and in the community. This book gives readers the essential tools they need to understand different careers in computers. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers’ learning experience and introduce computer science careers in the real world. In this book, readers will learn about a career in coding. This nonfiction title is paired with the fiction title My Mom Can...

Para preparar el corazón de los más pequeños, esperando el nacimiento del Niño Jesús en Navidad. Hay un cuento para cada una de las cuatro semanas que dura el Adviento.

La novela de Mark Alpert gira entorno a la idea de que Albert Einstein descubrió una teoría del campo unificado, pero escondió el resultado temiendo que pudiera llevar a crear armas más poderosas que la bomba atómica. En nuestros días, muchos compiten por ser los primeros en descubrir el secreto de Einstein: el gobierno de los Estados Unidos, un mercenario despiadado movido por la venganza y varios científicos. El físico Hans Kleinman, que en su día fur asistente de Einstein es torturado por un intruso que le exige que divulgue la teoría. Días más tarde, el profesor universitario...

El presente trabajo indaga sobre la posibilidad que tienen los colombianos en Madrid, particularmente migrantes originarios de Pereira, departamento de Risalda, de plantear proyectos que aporten al desarrollo de sus zonas de origen. El colectivo colombiano epresenta uno de los más numerosos de entre los latinoamericanos en Madrid, únicamente superado por el ecuatoriano y, en últimas fechas, por el boliviano. (2) Aunado a ello, entre los andinos, los colombianos son los que comparten menos características en cuanto a su perfil sociodemográfico, y estrategias de salida —puntualmente en...