El ferrocarril transcontinental (The Transcontinental Railroad)

People today refer to the Midwestern and prairie states as flyover country. During the Civil War, crossing those areas was the biggest obstacle in uniting the East and West Coasts of our divided nation. An act of Congress in 1862 authorized the Central Pacific and the Union Pacific railroad companies to build a railroad that would link the coasts. Seven years later, on May 10, 1869, an overwhelmingly immigrant labor force completed the task when a rail line was join in Promontory, Utah. The states had become united at last.

Different types of birds eat different things to live. Some birds eat worms. Some eat fish. Find out what different birds need to eat to live. Paired to the fiction title Hungry For Worms.

For Barack Obama, becoming president of the United States brought big changesfor him, his family, and the country. Every day he faces important meetings, tough decisions, and the opportunity to meet new people. But he still finds time to invite friends over for a movie and walk Bo, the White House Dog, with his daughters, Sasha and Malia. How does he do it all? Follow the President through his day and find out what it's like to be Barack Obama. Para Barack Obama, convertirse en presidente de Estados Unidos fue un gran cambio, tanto para l, como para su familia y para el pas. Todos los das...

Pterodáctilos son una de las criaturas más fascinantes de la antigüedad. Este texto incluye hechos fascinantes acerca de estos folletos lujosos en un formato accesible. Diagramas, preguntas de pensamiento crítico y otras características inspiran el aprendizaje visual y el compromiso. Pterodactyls are one of the most fascinating ancient creatures. Now in Spanish, this carefully leveled text includes fascinating facts about these fancy flyers in an accessible format. Diagrams, age-appropriate critical thinking questions, and other features inspire visual learning and engagement.

"... se les habían subido los humos y se creían los reyes del mambo, violando viudas de trabajadores y robando todo lo que olía a republicano..." "... yo ya estaba un poco cansado de oír siempre lo de rojillo, me salieron hasta canas del miedo que pasé, una granada que cayó cerca de mi trinchera dejó sin las dos piernas a un pobre muchacho de mi quinta, el teniente que lo vio le descerrajó dos tiros en el acto para que no sufriera..."