¡Cuenta conmigo! La feria de la escuela

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.

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.

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!

This Will Be The New Favorite Train Book For Many Little Boys. The Large Photos Of Trains Will Catch Tots Attention As The Learn About Different Types Of Trains.

El derecho a la pereza es la obra más célebre de Lafargue, y es el texto más difundido de la literatura socialista a nivel mundial, después de Manifiesto del Partido Comunista, de Karl Marx y Friedrich Engels. Una obra controvertida y revolucionaria tanto para la derecha como para la izquierda. En su libro Paul Lafargue plasma claramente sus reflexiones contra el fervor por el trabajo, la productividad, y el crecimiento económico fanático que mostraban tanto la derecha como la izquierda. Lafargue observo que cuanto más trabajaba un obrero más miserable se volvía su vida, y aun así...

An illustrated survey of the history and customs of the native North Americans who were members of hundreds of different tribes with varying lifestyles over the centuries.

El neoliberalismo es un fenómeno de perfiles borrosos, como tantas cosas, y hay un empleo retórico del término, de intención derogatoria, que no ayuda a aclarar nada. Pero es un fenómeno perfectamente identificable, cuya historia se puede contar. Es en primer lugar, y sobre todo, un programa intelectual, un conjunto de ideas cuya trama básica es compartida por economistas, filósofos, sociólogos, juristas. Es también un programa político: una serie de leyes, arreglos institucionales, criterios de política económica, fiscal, derivados de aquellas ideas. El neoliberalismo ha...