Viaje a través de la Vía Láctea (A Trip Through the Milky Way)

The idea of the Roaring '20s conjures up images of speakeasies, women with short, saucy hairdos, and hot jazz. Readers will learn about the historical events that define this decade, including the devastating war that preceded it. An explanation about project-based learning will help readers understand how it can help them research their topic in unique and interesting ways. Constructive suggestions offer ideas for projects, while encouraging readers to take their studies in new and interesting directions.

Before there was the U.S. Constitution, there were the Articles of Confederation. Readers discover the story behind the first written constitution of the United States—from the factors that inspired its creation to the reasons why it was replaced. The detailed main text is enhanced by informative sidebars and graphic organizers. Historical images, including relevant primary sources, allow readers to immerse themselves in this historical period. Readers are given the chance to thoroughly examine elements of the original document, making them feel like true historians. They’re sure to enjoy ...

Meaning "River of the Colorful Birds," Uruguay is a small country in South America that is covered by crisscrossing rivers and lush hills. Home to approximately 3.5 million people, the country is often regarded as the most stable and prosperous country in Central and South America. Uruguay produces 95 percent of its electricity from renewable energy and is known as one of the most socially progressive nations in the world. Allow your readers to learn more about Uruguay's unique culture through this informative book, which features engaging sidebars and vibrant photographs.

El libro ilustrado de Alexander von Humboldt, el héroe perdido de la ciencia y padre de la ecología. Alexander Humboldt fue un intrépido explorador y el científico más famoso de su época. Su agitada vida estuvo repleta de aventuras y descubrimientos: escaló los volcanes más altos del mundo, remó por el Orinoco y recorrió una Siberia infestada de ántrax. Capaz de percibir la naturaleza como una fuerza global interconectada, Humboldt descubrió similitudes entre distintas zonas climáticas de todo el mundo, y previó el peligro de un cambio climático provocado por el hombre. En este ...

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

De todas las grandes aventuras que ha vivido el ser humano hasta nuestros días, la que le llevó a montarse en una nave espacial y alcanzar la Luna es seguramente la más apasionante y hermosa de todas. Súbete en el Apollo 11 y acompaña a Armstrong, Collins y Aldrin en una aventura espacial camino de la Luna, camino de la historia.