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.

With humor and stories collected over decades of working with teens, McFarland encourages adolescents to build a well-grounded faith which will allow them to have stability in their life and stand firm in Christ.

Este libro de actividades con pegatinas está diseñado para niños de tres años en adelante. Ofrece sencillas y divertidas actividades que ayudarán a los niños a descubrir los números y las formas, con la ayuda de sus personajes Disney favoritos.

Rabbi Leib gives life to a giant clay statue, hoping that it will protect the Jewish community of sixteenth-century Prague. Yet when he disregards God's will, the Rabbi loses control over the golem and must send him back where he belongs. Text copyright 2004 Lectorum Publications, Inc.

Esta serie cuenta con un grupo de pequeños extraterrestres guardianes de la naturaleza que salen de su planeta en la búsqueda del mayor contaminador del universo, el perverso Zirt Zlunder. El se escapa y viene a vivir en el planeta Tierra. Este libro empieza, la saga de los Pequeños Guardianes alrededor del universo detrás del temible Zirt Zlunder, el mayor contaminador de todas las galaxias. Ellos le persiguen en un intento de detener a Zirt Zlunder antes de que llegue a Tierra para contaminar aún más nuestro planeta.