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

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.

Diamonds and salt are both minerals, but diamonds are more rare than salt. Curious readers will learn what physical and chemical conditions must be present for minerals to form. They'll discover how minerals are identified and how they are used in daily life. Informative and interesting text presents readers with this science content in a fun way. A graphic organizer shows how different minerals are identified and fact boxes provide readers with exciting supplementary information.

California grew by leaps and bounds between the Gold Rush and 1900. People from different backgrounds emigrated to California from across America and around the world in search of a new life. This primary source reader focuses on immigration in California from the time of the Gold Rush to the end of the nineteenth century. Primary source documents allow students to see different points of view, and help students look at the world and current issues with a historical lens. This Interactiv-eBook builds literacy and social studies content knowledge through the use of intriguing primary sources...

Una maravillosa historia de amor. La vida de Frank Bradley es simple y tranquila. Cinco años después de haber abandonado su trabajo como corredor de bolsa en la Gran Manzana, no se arrepiente de haber elegido comprar un edificio de apartamentos en ese pequeño pueblo costero ni tampoco haber decidido ser el casero del lugar. Aliena Ruslan es una resuelta veterinaria que, a base de esfuerzo y amor por su profesión, y por sus pacientes, ha logrado establecer una clínica de bastante éxito junto con sus socios y mejores amigos. Un vivaz perro callejero hace que los caminos de Frank y Ali se...

An illustrated field trip visits a newspaper to explain about reporting and editing the news, printing the newspaper, circulation, and related topics, in a study that spotlights some important vocabulary and concepts.

"Así ve Maxi, el cuarto de cinco hermanos, la figura de su padre. Peronista, aunque trabaja con los radicales, televidente compulsivo, alcohólico, algunas veces periodista, hincha de River o de Boca, según la conveniencia, golpeador y, sobre todo, una incógnita"--Cover.