Un día de trabajo de un astrónomo (A Day at Work with an Astronomer)

Without dentists, we wouldn’t know how to take care of our teeth! Readers will enjoy following this story’s narrator as they go for a check-up and cleaning at the dentist. The narrator learns how to brush and floss to keep their teeth healthy and clean. This book pairs a fun story with colorful illustrations to keep young readers and listeners engaged in the story.

Partiendo de la idea de que la representación es un concepto central en la filosofía, Danto explora en esta obra la tradicional cuestión filosófica de cómo, siendo criaturas con cerebros y cuerpos, representamos - y mal representamos - mundos actuales y posibles. Ilustra su análisis con múltiples alusiones a cuadros, fotografías y otras obras artísticas, además de incorporar referencias a la ciencia, la filosofía de la historia, el psicoanálisis y la teoría de la acción, con el fin de examinar cómo vive el ser humano en la historia y cómo representa el futuro mediante su...

This biography details one of the most captivating couples in the world: Prince William and Princess Catherine "Kate" Middleton, Duke and Duchess of Cambridge. Features include compelling descriptions of their early lives, including the dramatic events of William's childhood. Readers will learn about their courtship, marriage, and family life. A timeline of significant moments supports the narrative. An overarching theme is why they deserve to be called a "power couple," with an emphasis on the couple's public service and philanthropic efforts. The volume provides an authoritative, concise...

The skeletal system is made up of bones. They support and protect your body and help it work. Some bones help you run, or pick up a pencil; others protect organs, like the skull, which protects your brain. Learn about bones, joints and more in this informative book.

Los héroes de ficción que viajan en el tiempo pueden cambiar el pasado o el futuro. ¿Podrán hacerlo los seres humanos en el futuro? A medida que los científicos aprenden más sobre las personas y el universo, comienzan a darse cuenta de que algunas formas de viaje en el tiempo podrían ser posibles. Fictional heroes who time travel can change the past or the future. Will humans be able to in the future? As scientists learn more about people and the universe, they're starting to realize that some forms of time travel might be possible. Now in Spanish!