Las grandes religiones

The man who saved the lives of his PT-109 crewmen during WWII and became the 35th president fought-and won-his first battle at the age of two-and-a-half, when he was stricken with scarlet fever. Although his presidency was cut short, our nation¿s youngest elected leader left an indelible mark on the American consciousness and now is profiled in our Who Was¿? series. Included are 100 black-and-white illustrations as well as a timeline that guides readers through this eventful period in history.

LOS RELATOS DEL ABUELO "LAS RAZAS" Durante las vacaciones de verano, mientras disfrutan de sus paseos por el campo, un día un Pedrito al contemplar las lejanas montañas exclama ¡Abuelo, qué grande es el mundo! El abuelo, a través de una serie de relatos hace que Pedrito y a sus amigos conozcan, amen y respeten a las diferencias que en RAZAS, CULTURAS y RELIGIONES, el mundo les ofrece. Para ello les hace viajar virtualmente por LOS CINCO CONTINENTES.

Ricardo the pack rat has collected so much stuff that his rat hole is full. Includes facts about pack rats.

Examines the nature of inclined planes and wedges, how they can reduce the amount of force necessary to perform work, and ways in which they are used.