Un rayito de luz para cada día

In this stimulating, Spanish-translated nonfiction book, readers will discover the various types of friction--including rolling friction, sliding friction, fluid friction, and static friction--and the huge impact it has on nature, machines, and our lives. In addition, readers are encouraged to perform basic experiments to assist in the understanding of friction, kinetic energy, and water resistance. With real-life examples, colorful images, accommodating graphs and charts, and informational text, this title will inspire and engage children.

Roberto Clemente is remembered as a one of the greatest baseball players who ever lived, but more than that, he was also a man who believed in equality for all. Readers will learn about his incredible life in this inspiring, Spanish-translated nonfiction biographical title. Children will enthusiastically want to learn all they can about Roberto's amazing life as the first Puerto Rican in major league baseball through vibrant images, intriguing facts, a helpful timeline, and a glossary that will assist in vocabulary improvement.

Con sus aproximadamente mil quinientas entradas, el presente Diccionario de términos literarios proporciona una información rigurosa y actualizada sobre los conceptos fundamentales de las diferentes disciplinas que integran la denominada ciencia de la literatura. El abundante uso de ejemplos, así como su lenguaje preciso y accesible, y la indicación de la bibliografía pertinente en cada caso, hacen de esta obra una herramienta indispensable para el estyudio de cualquier materia relacionada con el ámbito de las letras

Think you'd like to be a fire fighter? Learn about the special equipment fire fighters use, their role in community safety, and their lives at the station. This book features a comprehensive timeline of the history of firefighting from its origins in ancient Rome through firefighting practices of today plus vocabulary related to fire fighters and fire safety.