Escalar y saltar (Climbing and Diving)

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.

There is an amazing muscle inside your body. It pumps blood and keeps you healthy. What is it? Your heart! Read all about it in this colorful, Spanish-translated title.

Read Along or Enhanced eBook: Mysterious events occur all over the world. It rains fish every year in Honduras, rocks in Pennsylvania make music, and large drawings can be found on the desert floors in Peru! In this Spanish-translated nonfiction book, readers will learn about these strange phenomena and more curiosities like ESP and crop circles in this baffling and fascinating nonfiction title. Vibrant images and intriguing facts in conjunction with a glossary of terms, informational text, and an index keep readers captivated from cover to cover!

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.

Discusses the various features of Australia, including its climate, mountains, rivers, lakes, animals, vegetation, coral reefs, flightless birds, population, and cities, and history of the Aborigines.

Rusbashov, miembro de la vieja guardia bolchevique y héroe de la Revolución Soviética, ha sido encarcelado acusado de traición al gobiernode Moscú. Es incitado a autoinculparse de una serie de delitos y traiciones que no ha cometido, pero termina por confesar a fin de salvar la Revolución. Esta obra cumbre de la literatura política nos ofrece un testimonio excepcional de la angustia que sufrieron cientos de antiguos miembros del Partido que desaparecieron, fueron encarcelados y juzgados o llegaron a autoinmolarse para salvarlo

“Sólo después de que el último árbol sea cortado, sólo después de que el último río sea envenenado, sólo después de que el último pez sea apresado, sólo entonces, sabrás que el dinero no se puede comer”. (Profecía india) Kart, Azucena y Amarilis se alejan de la ciudadela, el único refugio humano después de la hecatombe que ha provocado el cometa Saley en el planeta Tierra. Una mañana, con la claridad del día, deciden explorar la superficie árida y desolada y se internan en el desierto en una aventura que los llevará a encontrarse con la leyenda de la cual tanto les han ...

Teach beginning readers about the various types of weather including rain, sunshine, snow, fog, wind, and clouds with pages full of bright, colorful images and Spanish-translated, informational text. Through the use of descriptive, academic vocabulary, readers are encouraged to notice the changes in the weather around them. This 6-Pack includes six copies of this title and a lesson plan.