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

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.

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.

Invites young readers to find various quantities of the people, animals, and other labeled items in the illustrations of city scenes, including an Arab market town, a Southeast Asian river town, a European town square, and other areas. Simultaneous.

This engaging and important biography examines the many masks of the infamous Anthony Blunt (1907-1983), the Cambridge art historian turned spy who worked simultaneously for British Intelligence and the Soviet Union during World War II. Two 8-page photo inserts.

A STEM-focused addition to the #1 New York Times bestselling She Persisted series! Now available in Spanish! A lo largo de la historia, a las mujeres les han dicho que la ciencia no es para ellas porque no son suficientemente inteligentes, o porque sus cerebros simplemente no son capaces de ese tipo de estudio. En este libro, Chelsea Clinton nos presenta a varias mujeres científicas que no prestaron atención a los que les dijeron que no y optaron por utilizar su ingenio, sus habilidades y su persistencia para descubrir, inventar, crear y explicar. Ella persistió en la ciencia es un libro...

Ya sabemos quienes son los One Direction. Pero ¿quién es cada uno de ellos? Con estos títulos, uno para cada uno de los integrantes de la banda británica más caliente del momento, aprenderás todo lo que tienes que saber sobre Harry, Louis, Niall, Zayn y L