Como Se Hacen los Ninos / How Are Babies Made

Este ensayo está basado en el diálogo “De la brevedad de la vida” escrito por Lucio Anneo Séneca el año 55 después de Cristo. Escribí este ensayo adaptando el diálogo de Séneca por la impresionante vigencia de un diálogo escrito hace más de 2.000 años atrás. Creo que las recomendaciones que entrega Séneca, adaptadas a ejemplos de la actualidad, pueden permitir que muchas personas tomemos mejores decisiones con el bien más valioso que podamos tener, me refiero a nuestro tiempo. Es de mi interés que descubramos la inmensa sabiduría que nos llega del pasado y que podría...

How does a liquid become a gas? Through evaporation! Evaporation helps make puddles disappear after it rains. In this Spanish-translated book, learn all about evaporation and how it happens. This 6-Pack includes six copies of this title and a lesson plan.

From Mexico to the tip of South America, Latin America features varied scenery, including deserts, grasslands, plains, and mountains. Some are extreme: The Andes is the world's longest mountain range, and the Atacama Desert has not had rain for over 400 years! Latin America's remarkable landscape is an essential factor in its surprisingly different climatic zones. This insightful volume offers a comprehensive tour of the many vibrant countries of this fascinating region, highlighting its most striking areas in vivid photographs. It is also an inviting exploration of geography, natural...

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 Spanish-translated book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, who works against it, and all other forces that contribute to a successful dive or climb. After reading this Spanish-translated book, readers can decide if they will ever be interested in engaging in one of these extreme sports.