¿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 the secrets to artful cupcakes, oven-fresh bread, and other delicious baked goods in this delightful nonfiction title. Readers will learn how mathematics helps bakers measure their ingredients to make tasteful treats. Featuring vibrant images and charts, informative text, and fun, intriguing facts, this Spanish-translated nonfiction book will leave children fascinated by all the details that go into baking their favorite treats--like doughnuts and cookies! This 6-Pack includes six copies of this title and a lesson plan.

El antiguo Egipto fue una impresionante civilización que se desarrolló junto al río Nilo. Gracias al trabajo conjunto de sus arquitectos, obreros, sabios y escribas, fueron capaces de abordar proyectos increíbles que aún hoy perduran: pirámides, esfinges, obeliscos, ciudades, magníficos faros, e incluso una escritura propia, ininteligible hasta hace apenas dos siglos. Nuestra familia protagonista también tomará parte en esta gran obra colectiva.

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.

Se concitan en estos relatos en prosa poética, La Séptima Vida, las escalas de una mirada interior de supervivencia, desde la celebración del vínculo con el otro hasta el sentido de la pérdida. Restos de naufragios de la dicha y su privación de un yo plural de voces. Se trata de una escritura que se traslada al espacio en blanco como si uno estuviera “a punto de ser abatido”. Pedro como sucede en la ontología del flamenco, desde una secreta alegría del dolor trascendido.