50 Adivinanzas Para Razonar Bien

Various exercises and games designed to practice mental calculation for children between seven and nine years old.

Many desert animals around the world are in danger of becoming extinct. In this enlightening, Spanish-translated nonfiction title, readers will learn a few of the causes of extinction in the desert and what problems extinction causes for animals, wildlife, and humans alike. Through vibrant photos of beautiful animals and stunning facts in conjunction with informational text and useful charts and diagrams, readers will learn and understand concepts such as habit loss and learn ways that animal activists help to protect animals and their environments, as well as helpful tips to get involved in...

"¿Cómo se llaman las crías de los conejillos Indias? ¿De qué color son los conejillos de Indias salvajes? ¿Dónde viven los conejillos de Indias salvajes?" --From publisher's description.

Una novela de acción trepidante que comienza en Irak con el robo de una vasija perteneciente a los mandeos, depositarios de la fe gnóstica. Una fe más antigua que el cristianismo, abocada a su desaparición en pleno siglo XXI gracias a la intransigencia religiosa. Bagdad, Cambridge, un monasterio egipcio y Jerusalén son los escenarios donde Victor Lavine y la orientalista Adrea Jacobs podrán arriesgar su vida y descubrir las claves del olvidado alfabeto gnóstico, el abagada. Aventura y entretenimiento a través de los personajes de una novela que sólo pretende contarnos que las...

Ethan is a member of the Named, sworn to fight the Order of Chaos, an evil group determined to permanently change the course of history. But he is also a normal high school student trying desperately to keep up with his homework and fit in. When he is assigned to mentor Isabel, a cute classmate and future member of the Named, the line between his two lives begins to blur.