Doug Flutie, Estrella Internacional de Futbol Americano

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...

Read Along or Enhanced eBook: Encourage readers to learn about the various animals that need help and what they can do to make a difference through volunteerism in this inspiring. Spanish-translated nonfiction title. Readers will discover different programs and organizations that work to protect animals, animal habitats, and endangered species through vibrant images and charts and informational text. Featuring a list of helpful and useful websites, this nonfiction title encourages readers to take part in animal activism in any way they can--from baking homemade dog biscuits to exploring...

This Spanish-translated book will be a hit with both thrill seekers and with those who prefer to stay safely on the ground. After an introduction to Newton's three laws of motion, readers learn the mechanics of various amusement park rides including roller coasters, Ferris wheels, merry-go-rounds, and gravity rides. They learn how to measure motion, and how kinetic and potential energy apply to their favorite rides. This 6-Pack includes six copies of this title and a lesson plan.

La historia del arte es uno de los libros dedicados al arte más famosos y populares nunca escritos y ha sido un best-seller durante medio siglo. Durante cinco décadas no ha tenido ningún rival como introducción al arte en su totalidad, abarcando desde las pinturas rupestres primitivas hasta el arte experimental contemporáneo. Atraídos por la claridad y simplicidad de su narrativa, lectores de todas las edades y condiciones han encontrado en el profesor Gombrich al auténtico maestro, que combina el conocimiento y sabiduría con un don único para comunicar su profundo amor por el arte....