Un vikingo en el jardín

Adaptada para jóvenes lectores, esta es la inspiradora biografía de la que fue la primera dama de Estados Unidos, Michelle Obama. Michelle Robinson nació en el lado sur de Chicago. A pesar de sus humildes orígenes, llegaría a ser Michelle Obama, la inspiradora y poderosa primera dama de Estados Unidos. Junto con su marido, Barack Obama, elegido el cuadragésimo cuarto presidente, serían la primera familia negra en la Casa Blanca, y desde allí servirían al país durante dos mandatos. Michelle es ejemplo de que, con perseverancia y esfuerzo, no hay límites; de origen humilde, llegó a...

Imagine traveling at half the speed of a jet plane without ever leaving the ground! Students will discover the technology that makes such speeds possible, from special tracks and safety precautions to aerodynamically designed trains. What are the limits to the speed of trains? What imposes those limits? Students also will read about the future of passenger train travel, from flying trains to trains that use huge magnets to levitate inches or centimeters off the track. Some trains safely reach speeds of more than 200 mph!

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 ...

In this bilingual picture book, astronaut José M. Hernández recounts his childhood as the son of Mexican migrant workers and his life-long dream to travel to the stars.