Agujeros negros (Black Holes)

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.

An award-winning first glimpse into the diverse natural world of mammals. This addition to the acclaimed About... series explains to children in simple, easy-to-understand language what mammals are, what they eat, and where they live. Beautifully detailed, realistic paintings by wildlife illustrator John Sill introduce readers to the huge variety of mammals, from the tiny white-footed deermouse to the large American bison. An afterword provides more details about the animals featured in the book. Parents and pre-school and primary-grade teachers will find this an attractive choice for...

"Ilustraciones divertidas para que los niños aprendan sus primeras palabras, en imprenta mayúscula"--Back cover.

En esta fantastica seleccion de historias de la Biblia encontrara una lectura para cada dia del ano. Incluye mas de 200 relatos biblicos del Antiguo y el Nuevo Testamento, asi como una seleccion de oraciones tradicionales y originales, adaptadas con un lenguaje sencillo para ninos de todas las edades e ilustradas con dibujos a todo color.

"In this title, children explore the reasons why they may feel worried, how to recognize these feelings, and appropriate action to take when they feel worried."