¿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.

Find out what sets the human life cycle apart from other living things in this informative, Spanish-translated nonfiction title. With intriguing facts, informational text, and vibrant photographs, children will be introduced to the biological phases of our life cycle--from infancy to adulthood.

Unas vacaciones con un desenlace inesperado, un equipo de ft︢bol de provincias humilde pero ambicioso, un reencuentro con el pasado en la ciudad de juventud: tres escenarios, tres familias. Tres viajes que sumergen al lector en los vn̕culos emocionales que rigen las relaciones entre los personajes. Los protagonistas de los relatos que componen este volumen ("Siempre hay un perro al acecho", "El fin de los buenos tiempos" y "La ley de la gravedad") estǹ marcados por secretos silenciados, por acusaciones reveladoras, por el amor y el implacable paso del tiempo.

A bilingual collection of humorous and serious poems about family, nature, and celebrations by a renowned Mexican American poet.

Take a trip to the British Museum as you explore its fascinating objects and geometric shapes! This famous London museum was built for exploration - and for learning geometry. Learn about its history and artifacts as you build your geometry skills. This Spanish math book seamlessly integrates the teaching of math and reading, and uses real-world examples to teach math concepts. Text features include images, a glossary, an index, captions, and a table of contents to build students' vocabulary and reading comprehension skills as they interact with the text. The rigorous practice problems,...