Productores y consumidores (Producers and Consumers)

There is a bright light in the night sky. Sometimes it is round like a ball, sometimes it is a crescent, and sometimes it is not there at all! What is this strange and changing thing? It is the moon, of course! Read all about our moon and the moons surrounding other planets in this Spanish-translated book.

Bright stars twinkle in the night sky. Have you looked up into the sky on a clear night and seen these tiny points of light? Did you know that there are many kinds of stars in space? Find out all about them in this Spanish-translated book.

What does the sun do for us other than give us light during the day? It gives us warmth, energy, and so much more! Learn all about the sun in this Spanish-translated book.

Discover how the butterflies colors are made up of, how they eat, and how they become the beautiful insect you see today

Tras la imprescindible referencia al Nilo como protagonista indiscutible del origen y desarrollo de la civilización egipcia, referencia que da pie a su vez al análisis de la economía y de la sociedad, la autora realiza una síntesis de la historia del Antiguo Egipto. Comienza con la unificación del Alto y Bajo Egipto, y continúa con los diferentes períodos dinásticos, Imperio Antiguo, Medio y Nuevo, hasta su fin tras la conquista romana. Los últimos capítulos se dedican a la religión, la ciencia y el arte. La obra rebasa el tradicional enfoque personalizador y dinástico aplicado al ...

You've only got one day to spend at the carnival-how do you make the most of your time? Students will learn how to measure time while reading about a fun-filled day at a carnival! This fiction Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary, index, and table of...

Enrique Barrios decide en esta obra hablarnos en primera persona, convirtiéndose así en protagonista de su relato y creando de este modo una fascinante realidad novelada que atrapará al lector irremediablemente. Tras las vicisitudes de su emocionante re