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.

GRADES K–2: Bring Spanish into the classroom! Introduce early elementary students to the topics of solar heat, light, and energy with this science-themed Spanish title. FEATURES: Kids will learn about how the sun's energy is harnessed, and complete an activity that supports further comprehension. EARLY BILINGUAL LITERACY: Help young learners strengthen their bilingual skills—add the English version of this title into your collection, too. WHY MY PHYSICAL SCIENCE LIBRARY: This collection introduces a variety of science topics while presenting complicated information in easy-to-understand...

¿Llevas años sufriendo cataclismos emocionales que te han dejado la autoestima por los suelos? ¿O por el contrario has tenido una sola relación pero con tantas broncas y reconciliaciones que has hecho tuya aquella frase de Catulo que dice «no puedo vivir ni contigo ni sin ti»? Pues éste es el libro que resolverá tus problemas emocionales... O casi.

This full-color book has all you need to create unicorns and some of their magical friends, including fairies, mermaids, and more... From here young crafters can construct whole enchanting scenes, including a magical meadow and a unicorn picnic.

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.