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.

Our toilets toil away for us every day. Yet, they get little thanks for their hard work! When you think of toilets, you probably picture one in your home. But, toilets can be very different around the world. At first glance, a toilet is a simple device, but they are critical for proper sanitation. There are many people worldwide who do not have access to a toilet. Let's dive into an exploration of the history, importance, and inner workings of toilets! This Spanish book combines math and literacy skills and uses everyday examples of problem solving to teach subject area content. The...

A collection of simple prayers arranged in such categories as "Mi hora de comer," Mis sentimientos," and "Mis días especiales.

'Así me gusta' es un curso en dos niveles centrado en las necesidades comunicativas de los estudiantes. Atento al desarrollo de las competencias generales y lingüísticas de los alumnos, así como del aprendizaje afectivo y efectivo del idioma.

El gran poeta romántico español del siglo xix nació en Sevilla y murió en Madrid. Esta antología de sus Rimas pretende acercar a los lectores más jóvenes una particular propuesta que sigue un itinerario existencial. Se trata de un recorrido temático, con principio y fin, por los grandes temas de la vida y la poesía de Bécquer. En sus páginas, deliciosamente ilustradas, nos encontramos versos tan populares como “Volverán las oscuras golondrinas”, o “Al brillar de un relámpago nacemos”. No son las Rimas de Bécquer poesías estrictamente infantiles, aunque nadie discute su...