Estaciones (Seasons)

How are crayons made? Clear wax is melted in a factory. Once it's melted, color is added to it, it is poured into crayon-shaped molds, cooled, and wrapped in a paper label. Sorted into sets, the brightly colored crayons are boxed and sent in trucks to stores to be sold to you.

"Four score and seven years ago..." begins Abraham Lincoln's beautiful speech commemorating the three-day battle that turned the tide of the Civil War. The South had been winning up to this point. So how did Union troops stop General Robert E. Lee's invasion of the North? With black-and-white illustrations throughout and sixteen pages of photos, this turning point in history is brought vividly to life.

Planck consideró como tarea científica suprema la búsqueda de las leyes que rigen el absoluto, el invariante oculto en la realidad externa. Le cupo el privilegio de descubrir uno de esos elementos universales: el quantum de acción, la constante h.

Escribir contraportadas de libros (especialmente las de uno mismo) es muy dif�cil. A continuaci�n lo intentar�: este libro es sobre el miedo. Sobre c�mo funciona, c�mo se adue�a de nosotros y c�mo nos persigue desde la infancia. Si antes les tem�amos a los monstruos debajo de la cama, hoy tambi�n. Pero no todo es tan malo. Todos sentimos miedo sin importar de d�nde somos, cu�ntos a�os tenemos, o si nos gusta o no el chocolate, Yo, por ejemplo, casi me muero de ansiedad (que es miedo en su m�xima potencia) y sobreviv�. No s�lo sobreviv� sino que aprend� que lo ...

This upper-level text, perfect for art and culture courses, introduces students to the customs and history of Spain. This volume features a wide variety of readings, cultural activities, and 600 questions about the history, literature, art, and traditions of Spain, as well as a CD-ROM of interactive activities.