¿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.

The American Southeast stretches from the Atlantic Ocean to the Gulf of Mexico, including the states of Georgia, Florida, Louisiana, and Alabama as well as parts of Virginia and Maryland. But before that region was divided into states, native groups lived there. From how they found food to what their spiritual beliefs were, the book’s main content presents the traditional lifestyles of the Seminole, Choctaw, and Creek peoples, and the other groups that lived in the southeast. Readers learn even more from fun fact boxes and the historical images and full-color photographs that show what...

GOOOLLLLLASSSOOOOO! Prepárate para asistir en primera fila al evento deportivo más visto del planeta: la Copa del Mundo GOOOLLLLLASSSOOOOO! Discover the magic behind the world's most watched sporting event, the World Cup, in this Spanish entry in the WHO HQ series! Cada cuatro años, treinta y dos de los mejores equipos de fútbol masculino de todo el mundo compiten por el título de campeón de la Copa Mundial de la FIFA. Más de mil millones de personas sintonizaron sus TV en todo el mundo para ver el partido final de la competición de 2014, lo que convierte a la Copa del Mundo en el...

Everyone has heard of Albert Einstein--but what exactly did he do? How much do kids really know about Albert Einstein besides the funny hair and genius label? For instance, do they know that he was expelled from school as a kid? Finally, here's the story of Albert Einstein's life, told in a fun, engaging way that clearly explores the world he lived in and changed.

Una emotiva novela sobre la amistad, la vida y las segundas oportunidades «Da igual la suerte que tengas, lo importante es lo que haces con lo que te ha tocado vivir.» Scott es un joven sin trabajo que cree haber fracasado en todo. Con la autoestima por los suelos, a sus 27 años ya considera que ha desperdiciado su vida. No tiene una carrera, los trabajos no le duran y su novia le ha pedido espacio. Cuando su tío le consigue un pequeño sueldo por cuidar del viejo Horace, un anciano enigmático y huraño, a Scott le parece simplemente otra desgracia más... Sin embargo todo empieza a...