¿Rana o sapo? (Frog or Toad?)

Find out how tools have helped people hunt, build, and make life easier in this engaging, Spanish-translated nonfiction title. With colorful images, timelines, charts, a glossary to assist with vocabulary improvement, and an index, children will learn how tools throughout time have made such an important impact on life as we know it! Featured eras include the Stone Age and the Industrial Revolution.

Many children have heard of dams, but not many know what they are. This book engages young readers as it reveals the many fascinating aspects of the worlds largest dam, which was built on the border of Paraguay and Brazil.

An introduction to taipans, snakes from Australia and New Guinea, describes the three different kinds of taipan, physical characteristics, life cycle, habitat, and predatory behavior.

Este Diccionario ideológico o ATLAS LÉXICO contiene más de 200.000 voces clasificadas en unos 1.600 campos semánticos. Las palabras aparecen en listados de términos asociados, afines, vecinos o sinónimos que se prestan a la expresión de un concepto. Distingue los usos en función del contexto social (general, coloquial, malsonante, vulgar, ingenio popular y refranes); los dominios geográficos (españoles y americanos); y la actualidad del término (antiguo, desusado y recién incorporado). Además de permitir la consulta del significado de una palabra añade la posibilidad de buscar...