Exploremos las rocas metamórficas (Exploring Metamorphic Rocks)

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.

When winter hits, many people in colder climates spend most of their time indoors. But what do wild animals do? Some animals spend winters hibernating. Beginning readers will learn what hibernation is, why some animals hibernate and others don't, and how hibernating animals prepare for their long sleep. Full-color photographs grab readers' attention and allow them to draw connections to the narrative. Readers will love learning about this mysterious, restful time in some animals' lives.

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.

Segunda entrega de la trilogía que empezó con Los cipreses creen en Dios y que continúa con Ha estallado la paz (próximamente en Booket). Inmenso fresco histórico que tiene lugar en plena guerra civil española, tratada tanto en su aspecto humano como en el sociológico y el militar, y que abarca a los dos bandos en pugna.

Readers will learn about arachnids, insects, arthropods, and even parasites in this fascinating, Spanish-translated nonfiction title. Featuring photos of these tiny creatures (some up to 100 times their normal size!), informational text, a glossary, and an index to aid in vocabulary development, this book will have children eager to learn more about these tiny creatures and the big impact they have on human life!

¿Qué significa estar preocupado? Todos nos sentimos preocupados de vez en cuando. Los niños aprenderán a reconocer, identificar y manejar sus emociones. Fotos llamativas a todo color ayudan a mostrar cómo se ve la preocupación. Se incluye una actividad de reflexión que ayuda a los niños a aprender a transformar la preocupación en sentimientos positivos.

En 1919, el Congreso norteamericano aprobó una ley por la que se prohibía la fabricación y venta de bebidas alcohólicas en los Estados Unidos. Esta ley, conocida como Ley Seca, dio lugar a la mayor proliferación de bandas mafiosas y crímenes de sangre que haya conocido la historia de ese país. El escritor y periodista Walter Noble Burns (1872-1932) –autor de varias obras biográficas sobre legendarios personajes del Oeste, como The saga of Billy The Kid (1926), que hizo famoso al bandido adolescente, y Tombstone (1927), la vida del célebre marshall Wyatt Earp–, vivió en Chicago...