¿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.

Spanish English Bilingual children's book. Perfect for kids studying English or Spanish as their second language. Alex finds it hard to go to sleep, so he starts making up excuses. After reading a bedtime story, his father suggests planning a dream that he would like to see when he falls asleep. Find out where their imagination takes them as they plan his dream together. This bedtime story will help kids feel loved and relaxed, preparing them for a peaceful, sleep-filled night.

René Voillaume fue el fundador, bajo la inspiración del testamento espiritual del hermano Carlos de Foucauld, de los Hermanitos de Jesús y de los Hermanitos y Hermanitas del Evangelio, presentes en todo el mundo. Fue también impulsor de varias asociaciones y movimientos sacerdotales y de laicos. La vida de sus Fraternidades, centrada en la pobreza, la obediencia y la ayuda a los más necesitados, constituye un ejemplo de vida cristiana que sigue entusiasmando a muchas personas. En el corazón de las masas contiene una colección de cartas y conferencias que expresan la base de la...

Learn all about the Women's National Basketball Association. Discover fascinating facts, from record-breaking stars to winning teams and important positions.

Presented in a large-size picture book format, this is the story of the Mars Rover Curiosity. It explains how it was built at the Jet Propulsion Laboratory in California, how it got its name, how it got to Mars, and what its mission hoped to accomplish. A timeline about the history of Mars exploration is provided at the end.