Escalar y saltar (Climbing and Diving)

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.

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.

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!

Este libro aborda una temática que resulta de sumo interés para quien estudie la confi guración actual del Derecho penal medioambiental en las legislaciones europeas: cómo evitar que entre en contradicción con los principios que deberían guiar la intervención punitiva del Estado. Los objetivos centrales que se plantea el libro son, por tanto, los siguientes: realizar un diagnóstico del estado actual de las infracciones penales destinadas a proteger el bien jurídico medio ambiente, analizar los problemas que plantean desde el punto de vista de los principios penales y proponer un...

En plena guerra fría, el joven Hugh Hefner crea la que pronto se convertiría en la revista para adultos 'Playboy'. Lo que el público desconoce es su pionera labor como artífice de las casas del placer - Playboy no era una revista de chicas con o sin bikini, sino un proyecto arquitectónico-mediático que tenía como objetivo desplazar la casa heterosexual como núcleo de consumo y reproducción proponiendo frente a ésta espacios destinados a la producción de placer y de capital. De la misma manera que la sociedad ilustrada creyó que la celda individual podía ser un enclave de...

The world's myths are filled with characters, creatures, and stories that have fascinated people for thousands of years. This series mixes dramatic retellings and non-fiction information to give a full picture of a culture's myths. This book explores the gods, goddesses, heroes, villains, tricksters, and quests that make Roman myths and legends so compelling. Fully translated Spanish text.

For thousands of years, militaries around the world were limited to male soldiers. However, throughout history, brave women have stepped out of the background and onto the battlefield. This biographical text covers the important women who’ve broken ground in the military. Famous historical figures such as Joan of Arc, Clara Barton, and Florence Nightingale are covered in depth, while the stories of modern-day heroes are presented to show how women are still affecting change on the front lines. A comprehensive timeline, fact boxes, and historical and modern images complete this...