Exploremos los minerales de la Tierra (Exploring Earth's Minerals)

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

The rock cycle has been taking place for millions of years. However, geologists have only known about this phenomenon for about 300 years. Young terrestrial explorers are introduced to different types of rocks, where in the cycle these rocks fit, and where in Earth's layers each step takes place. Fact boxes provide readers with fun additional information. A diagram helps readers make sense of the new information they're learning.

Learn about the rich history of Mission San José: how it started, the people who ran it, the indigenous population, and its legacy today.

Each title in an educational series features one letter per page with ample writing space for practice, teaching youngsters how to write each letter of the alphabet in upper case, lower case, and in cursive.

"Hace un año, en una clase de español, Sylvie conoció a Otto, que soñaba con volar como los pájaros. Pero un día, él se fue y la dejó sin noticias. ¿Qué significa ahora el telegrama que envía desde un pequeño pueblo del norte de España?"--Page 4 of cover.

Queremos que en compañía del Cid, los lectores recorran algunos de los géneros que forman la rica historia de la literatura hasta nuestros días. Desde los poemas medievales, a través del romancero, el teatro y el cine, llegamos hasta las recientes biografías de nuestro personaje. De todo hay, y esperamos que el lector avive su curiosidad sobre don Rodrigo Díaz de Vivar, cuya presencia es casi constante en nuestra literatura.