La historia de William Hoy

Se dice que los niños son los verdaderos filósofos. Tienen una curiosidad incontenible y sus preguntas hacen titubear muchas veces a los adultos. ¿Cómo explicar el mundo a los niños? El reconocido filósofo Richard David Precht paseó por Berlín durante un verano con su hijo Oskar. Fueron, entre otros sitios, al zoo, al Museo de Ciencias Naturales o a los restos del famoso muro. Durante esas visitas, Precht respondió a numerosas preguntas como «¿Soy yo realmente yo?», «¿Por qué los seres humanos tienen preocupaciones?» o «¿Qué es belleza?». Este es un libro de filosofía...

Readers won't have to disassemble their favorite toys to discover what makes them work. This book explores electric, magnetic, and motion-powered toys from design to function. It introduces readers to the six simple machines and explains how they use force and motion to do work. Not every toy is a technological marvel. Readers learn about time-honored favorites including the rocking horse, Slinky, and rattles.

This Spanish biography introduces readers to Jackie Robinson, the first African American to play Major League Baseball for the Brooklyn Dodgers. Featuring lively images and inspirational text in conjunction with a helpful glossary, index, and timeline of Robinson's life, this title will engage readers as they read about Jackie's life as a college athlete, his start in the Negro League, his stand against segregation, and how he became the first person to ever get named Rookie of the Year.

In this inspiring biography, readers will learn about the incredible journey of Helen Keller. Using informational, Spanish-translated text and expressive images and photos, readers will discover the undeniable determination that Keller had as a young deaf and blind girl and how her teacher, Anne Sullivan, helped her to read, write, speak, and graduate from college. With a timeline, a bibliography, and a glossary of terms, children are given the tools they need to expand their knowledge about this fascinating and inspiring woman.