Exploremos el ciclo de la roca (Exploring the Rock Cycle)

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.

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.

La historia de la aventura de Alejandro es una historia sobre la búsqueda épica de los límites de lo posible, de lo que somos capaces. Así, desde su Macedonia natal, con su madre bruja y su padre tuerto y artero, ambos espíritus indomables, el jovencísimo Alejandro parece encarnar la curiosidad y el deseo de los jóvenes por probarse, por cuestionar lo que conocen, y sobre todo, por traspasar las expectativas que han caído sobre ellos.

Una traición y dos guerras devastaron su pasado, una identidad encubierta la precipitó al futuro. La joven modista Sira Quiroga abandona Madrid en los meses previos al alzamiento, arrastrada por el amor desbocado hacia un hombre a quien apenas conoce. Juntos se instalan en Tánger, una ciudad mundana, exótica y vibrante donde todo lo impensable puede hacerse realidad. Incluso, la traición y el abandono. Sola y acuciada por deudas ajenas, Sira se traslada a Tetuán, la capital del Protectorado español en Marruecos. Con argucias inconfesables y ayudada por amistades de reputación dudosa,...

In 1862, the American Civil War was underway, actively tearing the United States apart. At the start of the war, President Abraham Lincoln's main goal was preserving the Union, but he was now ready to make a stand on slavery. The Emancipation Proclamation was one of the most important documents of its time, but its contents can be confusing. This volume gives readers context for the proclamation, as well as explains what it says and its results, in uncomplicated language appropriate for those reading below level and those looking for a review of this subject.

Which animals and plants can survive in a dry desert environment? Readers learn about the living things that make up desert food chains, including cacti, snakes, and scorpions. Colorful photographs of desert life make readers feel like they’re exploring new parts of this habitat with each turn of the page. Fact boxes provide additional information about the creatures that make up desert food chains, and a detailed food web shows how these food chains all come together. The desert is an extreme habitat, and readers will enjoy learning about the extreme plants and animals that live there.