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

* Hemos pasado décadas optimizando nuestras horas de vigilia, pero ¿qué ocurre con las preciosas horas que vivimos cuando dormimos (o lo intentamos)? * Este libro le explica todo lo que siempre ha querido saber sobre el sueño, aunque se haya sentido demasiado cansado como para preguntarlo. * Debido a que se trata de la franja de tiempo más activa para nuestro cerebro, así como del elemento más importante para vivir una vida más tranquila y feliz, el sueño se ha convertido en el tópico de nuestra época. Aprovechando el éxito de Calm, la aplicación número uno para el sueño, la...

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.

Readers will learn all about the United States' westward expansion in this interesting nonfiction Spanish-translated book, which uses appealing images, helpful maps, and supportive text to keep children engaged from beginning to end!

This title will introduce little readers to the 16th president of the United States, Abraham Lincoln. Readers will gather basic, biographical information about Lincoln through easy-to-read, simple text. They?ll also love the historical photographs, the More Facts section, and bolded glossary terms. Translated by native Spanish speakers. Aligned to Common Core Standards and correlated to state standards.