Un contrato y sus consecuencias

Terremotos y tsunamis is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

Severn Cullis-Suzuki was only twelve years old when he addressed the entire world: What are we doing to Earth, our home? How far can human greed go? Little Severn embarrassed the world leaders and asked them to be consistent, that their actions would reflect their words. An emotional speech, full of truths as simple as they are revealing, and even more relevant today than when it was delivered. This is a bilingual edition.

Read Along or Enhanced eBook: Lights! Camera! It's time to explore the art of animation! This engaging, Spanish-translated nonfiction title allows readers to explore an exciting career as an animator. Readers will be introduced to the history of animation and find out what techniques and equipment animators used to turn their illustrations into the first animated shorts. Through stimulating facts, vivid images, sketches, photos, informative text, and an interview with a real life animator, readers will discover everything about animation, including character development, storyboarding, and...

La contaminación del medio es, sin lugar a dudas, una preocupación de quienes habitamos este planeta, aunque con frecuencia no sepamos lo que opinan los divulgadores de la ecología. Planeta azul, planeta gris ofrece, a través de un relato ágil que se desarrolla en una escuela preparatoria o de educación media superior, las diversas formas de contaminación que afectan nuestro entorno. Mónica Lavín Maroto es una destacada escritora. Estudió la carrera de biología en la Universidad Autónoma Metropolitana-Xochimilco y trabajó en el Instituto de Ecología. Ha sido colaboradora de las...