National Geographic Readers: Los Gatos vs. Los Perros (Cats vs. Dogs)

Estaa lleno de imagenes bellas e interesantes que les enseanan a los nianos todo sobre estos animales asombrosos.

Say hello to heroes! This book introduces preschoolers to 50 men and women of color who have changed the world! Desde Toussaint L'Overture, el líder de la Revolución haitiana, hasta la jueza Sonia Sotomayor, la primera puertorriqueña jueza de la Corte Suprema de Estados Unidos, estos héroes y heroínas persistieron contra la adversidad y las dificultades para lograr un cambio positivo.From Toussaint L'Ouverture, the leader of the Haitian Revolution, to Justice Sonia Sotomayor, the first Supreme Court Justice from Puerto Rico, these heroes have persisted through adversity and hardships to...

"In Lion Cubs in the Wild, beginning readers will learn about baby lions as they grow up on the savanna in Africa. Follow along as lion cubs join the pride and learn from their moms. Vibrant, full-color photos and carefully leveled text will engage young readers as they are introduced to lion cubs' appearance, diet, behaviors, and habitat. A picture diagram labels a lion cub's body parts, while a picture glossary reinforces new vocabulary. Children can learn more about lion cubs online using our safe search engine that provides relevant, age-appropriate websites. Lion Cubs in the Wild also...

Describes how people use their ears to hear the different types of sounds around them and discusses deafness and the ways insects and other animals hear.

La obra tiene la intencion de servir como una herramienta eminentemente practica para el estudio del modulo Sistemas de Telefonia, aunque el autor pretende que pueda ser utilizada como referencia de consulta para los interesados en la materia e incluso para que las empresas dedicadas a la instalacion de sistemas de telecomunicacion puedan emplearla para la formacion de su personal.