100 mitos

The United States grew rapidly from the time of the Louisiana Purchase to the building of the Transcontinental Railroad. All of this expansion came at the expense of Native American populations that had either lived in the region for centuries or been forced there from ancestral homes in the East. Tribes memorably fought on their own and together in an doomed effort to retain the land and a lifestyle that had long sustained their families. This book outlines some of the major conflicts of the Westward Expansion, and of the treaties and were signed, and often broken, by representatives of the...

¿Qué es la luz? ¿Cómo se produce? ¿Qué son las ilusiones ópticas? Convertirse en un verdadero investigador es fácil y divertido. En este libro, los niños encontrarán muchas experiencias que lo ayudarán a descubrir espectaculares fenómenos con la luz como protagonista. Podrán inventar lupas, periscopios y ¡hasta una cámara fotográfica de verdad!

Introduces the former Duke University basketball star, Grant Hill, who now plays for the Detroit Pistons.

A rodeo is filled with excitement and fun. Cowboys and cowgirls show their skills, and clowns entertain the crowd. Learn to count on a trip to the rodeo! This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning how to count easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section...