Los Artículos de la Confederación (Articles of Confederation)

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.

Lo más increíble de mi historia es que aún mi familia sigue viva en la memoria de las personas que se interesan por mi cultura Chinchorro y que cuidan de nuestras momias. Nos han ayudado a permanecer en la tierra por miles de años y han difundido nuestra historia por el mundo entero como, por ejemplo, a través de este libro. ¡Muchas gracias por desear saber más de mí!

José Martí was barely 16 years old when he began to fight for the independence of his homeland through his writing. At 17 he was declared an enemy of Spain and sentenced to six years of prison and hard labor. But that did not stop him. Martí dedicated his life to defending Cuba's right to independence. Today he is remembered and honored as a man of integrity--brilliant and courageous--and as a lover of freedom and peace.

Everyday examples, such as a motorcycle and a tricycle, demonstrate differences in speed. A simple, Spanish narrative runs beneath the photographs.

From the largest cargo planes and passenger jets to the smallest of single-engine crafts, airplanes are modern marvels. But just how do people build planes and what keeps them safe in the air? This exciting book takes readers inside the hangars where bolts and metal are turned into winged creations ready to take people all around the world. Amazing photographs show the aircraft construction process step-by-step, while engaging text gives a strong technical explanation of the science at work during every flight in this innovative STEM book.