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Eco-Friendly Energy Is Explained. The Most Current Information Is Provided While Establishing The Understanding That It Does Not Take Much To Make The World A Better Place.

Defines screws, explains their functions, and suggests simple experiments to demonstrate how they work.

The child will be able to observe and, with the help of an adult, they will read the names and learn about the many things that surround them. The pages are made of cardboard and on each one there is a picture with the word written underneath. They are large, square books that the child can look at and touch as if it were a toy.

A young boy tries to help his younger brother, whose mind and body has become occupied by another boy, a young soldier in Saddam Hussein's army during the Persian Gulf War.

Weather is an important science concept at the early elementary level. Recognizing and identifying kinds of weather requires observational skills and certain vocabulary terms. This bright volume allows young meteorologists to correlate weather in carefully selected photographs with descriptive weather vocabulary, such as rainy, sunny, and foggy. It's never too early to tackle this essential STEM theme!

Esta obra, recoge once ensayos cuyo denominador común es el abordaje de pasajes de la historia intelectual del siglo XX mexicano. Por sus páginas, el lector verá transitar a multitud de intelectuales, desde Justo Sierra y Ezequiel Chávez hasta José Emilio Pacheco, pasando por Félix Palavicini, José Vasconcelos, Martín Luis Guzmán, Daniel Cosío Villegas y Carlos Fuentes, entre muchos más, con una atención especial en Alfonso Reyes y en la presencia de los intelectuales españoles exiliados en nuestro país a partir de finales de los años treinta. Su lectura llevará también al...