Como crece un tiburon / A Shark Pup Grows Up

Divi rtete junto a Juan y Mar a contestando las perspicaces preguntas del sombrero. En este ingenioso libro los acertijos muestran c mo los cient ficos buscan todas las posibles respuestas a un problema y comparan una respuesta con la informaci n que ya tienen, c mo eliminan lo que no encaja en una situaci n planteada y, as , llegan a la respuesta correcta. quieres hacer trucos con sombreros?

A land of extremes, from active volcanic peaks to dense rain forests, Guatemala has sustained great civilizations and attracted foreign conquerors. While shadows of its vicious, decades-long civil war still linger, Guatemala's people work toward peace and stability in the face of corruption and impunity. Illuminating photographs, insightful facts, and informative sidebars help the reader discover what it's like to live in today's Guatemala, its ancient beginnings, dramatic landscape, rich culture, resilient people, and more.

With every new feat, there is at least one big failure. Learn about some of the biggest technological feats and failures in human history in this fascinating, Spanish-translated nonfiction title that allows readers to discover some of the technological innovations that have made life easier. Featuring detailed images, charts, and graphs, informational text, and intriguing facts, children will be engaged and captivated from cover to cover! This 6-Pack includes six copies of this title and a lesson plan.

En Estados Unidos, el movimiento abolicionista existió junto con la esclavitud desde el principio. Conoce la historia del movimiento, los abolicionistas prominentes y de qué manera los abolicionistas usaron las tácticas de una retórica poderosa para dirigir la acción revolucionaria para ayudar a eliminar la esclavitud. The abolitionist movement existed alongside slavery in the US from the beginning. Learn about the movement's history, prominent abolitionists, and how abolitionists used tactics from powerful rhetoric to direct disruptive action to help end slavery. Now in Spanish! Read...