Cachorros de león en la naturaleza

Today’s computers come in all shapes and sizes, but not many people actually know how they’re made. The journey from circuits and wires to a ready-to-use computer is a fascinating exploration of science and engineering. Readers get a look inside their laptops, desktops, and even their tablets as they’re shown step-by-step how these electronic marvels are assembled. Readers will love knowing what goes on inside their own machines, and color photographs and simple instructions will show them how they can build their own computer!

Los policías usan coches de la policía para ayudarnos a mantenernos a salvo. ¿Cómo funcionan los coches? Aprenda sobre los coches de la policía y los oficiales que los conducen en esta introducción en español a la lectura de no ficción. Las fotografías de color añaden interés visual, los diagramas ayudan a los lectores jóvenes a identificar las partes de un coche de policía, y un glosario de fotos hace que el texto sea navegable. Police officers use police cars to help keep us safe. How do thee cars work? Learn about police cars and the officers who drive them in this...

Este libro extraordinario explora las similitudes entre los seres vivos que habitan nuestro planeta, las criaturas de los mitos y leyendas y los animales fantásticos de J.K. Rowling. El libro invita a toda la familia a descubrir los vínculos que existen entre las criaturas mágicas del universo de J.K. Rowling y los asombrosos animales que habitan la tierra, los mares y los cielos de nuestro planeta. A lo largo de sus páginas, didácticas y de gran belleza, se evoca la verdadera magia y majestuosidad de la naturaleza en todas sus formas. El interior está lleno de mapas antiguos, notas de...

Learn more about the renowned British scientist, professor, and author who spent his entire career trying to answer the question: "Where did the universe come from?" Stephen Hawking was born exactly three hundred years after the death of the scientist Galileo, so maybe it was written in the stars that he would become a famous scientist in his own right. Although he was diagnosed with a neurological disease at age 21, Stephen did not let the illness define his life. Known for his groundbreaking work in physics, and identified by his wheelchair and computerized voice system, Stephen continued...