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

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.

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.

El protagonista tiene 12 años, está a punto de empezar el instituto y su destino es convertirse en un granjero o en un carnicero como cualquiera de sus vecinos. Pero él es distinto. Él tiene un sueño: convertirse en un guerrero y vencer a los monstruos que atacan continuamente su aldea. Así que cuando llega a sus oídos la noticia de que los cinco mejores estudiantes del instituto serán seleccionados para seguir un entrenamiento para convertirse en guerreros, va a hacer todo lo que esté a su alcance para ser uno de los elegidos.

Remontando el Mississippi, un clásico del vaquero «más rápido que su propia sombra», firmado por la dupla Morris & Goscinny, en una exquisita traducción argentina. Para volver a leer y reír (y sin perderse ningún chiste).

This work goes to the interested ones for the Social Pedagogy and the Social Education as much from the reflection as from the wide field of the social action, approaching its historical evolution, concept, methods and different intervention areas.

Introduces Iran, including the geography, people, education, rural and urban life, housing, food, work, and amusements, along with other information about the country.