¿Por qué hibernan los animales? (Why Animals Hibernate)

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.

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.

Although Earth is mostly made up of igneous and metamorphic rock, sedimentary rock covers about 75 percent of Earth's land surface. This means it's the most visible kind of rock on Earth. Sedimentary rocks form when sediment accumulates and compacts. Your readers will learn how sedimentary rocks form, the different types of sedimentary rocks, and how people use sedimentary rocks. Fun fact boxes provide readers with additional information. A helpful diagram illustrates how sedimentary rocks form.

En este cuento para niños, Papá Ratón tiene mucho trabajo en el jardín y quiere que Ratoncito le ayude. Pero Ratoncito está ocupado inventando algo.

El chocolate es una golosina sabrosa. ¿Pero sabías que el chocolate viene de una vaina de cacao que crece en un árbol? Sigue cada paso del proceso para descubrir cómo una vaina de cacao se transforma en chocolate. Chocolate is a tasty treat. But did you know that chocolate starts as a bean growing on a tree? Follow each step in the process to discover how a bean becomes chocolate. Now in Spanish!

Rina, Julia, Miriam, Sofía, Susy, Diana, Beatriz, Mary y Lili: nueve mujeres, nueve formas de entender el mundo. Las historias encadenadas que componen esta novela peinan a contrapelo la literatura hecha para mujeres a fi n de posicionarse como literatura hecha por mujeres. Por mujeres que en su día a día tiñen lo cotidiano con los tonos del amor, del desamor, de la pérdida, de la amistad, de la soledad, de la monotonía que se impone como marco salpicado con destellos de gracia. Y es que Margarita García Robayo hace de su escritura un instrumento capaz de rastrear en los detalles...

"Emprendieron el camino guiados por una estrella. Revive la tradición de los Reyes Magos con los escenarios pop-up de este libro que, como en un teatrillo, representan la magia del cuento clásico"--Back cover.