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Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...

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.

Los juguetes, los oficios y los medios de transporte son los protagonistas de Caballo ACCIÓN, una nueva serie dentro de la colección de Caballo Alado que combina magníficas ilustraciones con fotografías, y textos sencillos que combinan la letra de palo y la manuscrita. Cada título incluye un breve apartado documental que complementa el texto básico.

Si quieres descubrir qué es el universo, cuánto tiempo se tarda en llegar a la Luna, cómo se ve la Tierra desde el espacio y muchos otros datos estelares, ¡súbete a nuestra nave y abróchate el cinturón! Esta completa guía, repleta de fotografías e informaciones increíbles, hará que te sientas como un verdadero astronauta. ¿Estás listo para el despegue?