Exploremos el ciclo de la roca (Exploring the Rock Cycle)

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.

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

Los testimonios no sólo es una obra fundamental en el mundo poético y revolucionario de Roque Dalton; además es una de sus obras más recomendables para aquellos que entran por primera vez en su mundo y pretenden acercarse al conocimiento si no a la experiencia plena del mundo del intelectual comprometido, del rebelde marginal; del mundo donde ética y estética, para bien o para mal, alcanzaron uno de sus grados máximos de comunión.

Helps students successfully pass written and oral examinations, offering techniques for memorizing, creating, and summarizing all kinds of texts.

BILINGÜE. Todo niño aprende a leer de diferentes maneras y a su propio paso. Los libros de la serie, ¡Yo sé leer!, ayudan a desarrollar su habilidad para leer y su crecimiento spiritual a través de libros basados en historias y valores bíblicos y diferentes niveles de aprendizaje. En, David, la victoria gigante de dios, David no se ve muy fuerte al frente del gigante Goliat. ¿Podrá el ganarle la batalla con cinco piedras lisas y la fortaleza de dios?

In this Spanish language translation, the life and work of Clara Barton, founder of the American Red Cross, is told in graphic novel format.