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

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.

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.

Learn about the different places that people call home--from apartments to cottages and castles to farmhouses. With bright, vivid photos and easy-to-read informational text, this Spanish-translated nonfiction title introduces readers to different cultures' definitions of "home."

¿Piensas que la filosofía es algo anticuado, abstracto y aburrido? Este libro te demostrará que te equivocas. A través de las historias de 100 filósofos y pensadores de todas las épocas y lugares, descubrirás que la filosofía está más viva que nunca. Junto a Sócrates, Hipatia, Kant y Voltaire, aprenderás a reflexionar sobre diferentes temas, desde los fenómenos de la naturaleza hasta el ser humano, desde el lenguaje hasta el amor, incluso sobre la existencia de Dios. Una historia para cada día, que comienza con preguntas y curiosidades sobre la vida diaria, que estimularán y...

People all over the world love pets. Some pets are popular in certain areas of the world. Let’s find out about the popular pets around the world. Paired to the fiction title The Perfect Pet.

Discusses the various features of Australia, including its climate, mountains, rivers, lakes, animals, vegetation, coral reefs, flightless birds, population, and cities, and history of the Aborigines.