¿Qué causó la guerra de Secesión? (What Caused the Civil War?)

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...

The asteroid belt between Mars and Jupiter is an intriguing area of our solar system. Scientists have counted over 670,000 known asteroids there, but there could be millions more not yet found. Readers will discover much more about the asteroid belt in this highinterest book, which blends science and math. They'll read about several topics, such as space missions to the asteroid belt and the difference between an asteroid and a planet, and solve associated math problems-just like actual space scientists do!

Practice finding patterns while learning about music around the world! Many different musical instruments use patterns to make different sounds into rhythms, such as tambourines, drums, and flutes. This charming, Spanish-translated text uses vibrant images, engaging practice questions, and helpful mathematical diagrams to help young readers understand patterns and early STEM themes. Children will have fun discovering patterns that these instruments make and learning how to make patterns of their own with homemade instruments! This 6-Pack includes six copies of this title and a lesson plan.

Todos conocemos la obra de Vincet Van Gogh, pero ¿Sabes cómo fue que se inició en el arte? En una pequeña ciudad en Holanda vive el travieso Vincent Van Gogh, un pelirrojo con las mejillas llenas de pecas al que le encanta meterse en problemas. Junto a su inseparable hermano Theo, pasa sus tardes buscando nidos y mirando las estrellas, descubriendo una manera de ver el mundo que hoy puedes encontrar en pinturas colgadas en museos de muchos países. Aquí conocerás cómo fue la niñez de este famoso pintor impresionista y cómo inició su camino para convertirse en uno de los artistas...