El círculo

El viaje de Colón es en realidad la gran aventura de un marino. Un hombre que pidió ayuda a unos reyes muy ricos para adentrarse en un inmenso y desconocido océano lleno de peligros y tempestades en busca de las Indias, pero que terminó llegando a una preciosa tierra hasta entonces desconocida para los europeos a la que llamamos América. De esta forma, su viaje se convierte en una verdadera aventura de marinos. Una verdadera historia de héroes que luchan contra los elementos para realizar una hazaña escrita con letras de oro en los libros de historia de la humanidad.

¿Qué tienen en común una tortuga marina, una iguana y una pitón? ¡Son todos reptiles! Conozca las características que comparten todos los reptiles. What do a sea turtle, an iguana, and a python have in common? They're all reptiles! Learn about the characteristics that all reptiles share.

Teach young students about the men and women who serve in the armed forces for the United States. This Spanish-translated nonfiction book helps readers understand the importance of our nation's veterans, and how to honor them on Veteran's Day. Primary source documents and images engage readers as they build their literacy skills and social studies content knowledge.

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.