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

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.

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.

"La Navidad más Maravillosa" comparte con los niños el verdadero significado de la Navidad. Todo comenzó hace mucho tiempo en un lugar llamado Belén. Si te gustaría que tus hijos entiendan que Navidad es más que regalos y comida, este libro puede ayudar. Este mensaje lleno de fe es necesario hoy en día.

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.

Un libro para recorrer la naturaleza de la Tierra a través de sus magníficas imágenes y textos cortos. Un viaje divertido para conocer animales y paisajes de todo el planeta.

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