Conozco el tiempo (I Know the Weather)

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.

Describes the frogs, toads, and salamanders of Mexico's Yucatan Peninsula, looking particularly at the wide variety of adaptations found in the few species that dwell there.

Worksheets designed for use in Spanish immersion classrooms, as a supplement for parents to use with their children for extra practice, or for use by any classroom teacher who wishes to incorporate Spanish instruction in the classroom in the curriculum areas of language arts, math, social studies, and science.

Adivina y Pegatina son libros de adivinanzas de estructura sencilla, siempre breves y en verso, que motivan a los niños y niñas a encontrar la solución. La solución, en este caso, viene dada en unas pegatinas que aparecen en las páginas finales del libro. De esta manera se pretende que el niño visualice el objeto que corresponde a la solución de cada adivinanza. Los enunciados de las adivinanzas están integrados en unas ilustraciones muy infantiles, sugerentes y divertidas formando libros mágicos y lúdicos que apetece leer y releer, porque siempre se encuentra algo nuevo. Cada...