Our Dynamic Earth Guía Didáctica

Roger Priddy's Bilingual Bright Baby Colors This book will increase your child's vocabulary by associating words in Spanish and English with beautiful pictures. Este libro aumentará el vocabulario de su hijo ya que asocia palabras en Espanol y Ingles con bonitas ilustraciones.

Black holes are neither holes nor black. They're invisible and packed with matter! Future astronomers will find out many more fascinating facts about these space phenomena with this intriguing book. Carefully crafted text encapsulates the most important information about black holes, such as how scientists locate them and their significance in a star's life cycle. Amazing photographs support critical concepts and inspire a true appreciation of the spectacles of space.

¡Skuiter ha desaparecido! Rápidamente se ponen todos a buscarlo hasta que descubren que... ¡ha ido al santuario! Dani, Evan, Bizcoché, Julián y Maribel viajan hasta el Jurásico para buscar a su amigo. ¿Estará en peligro? Pero cuando llegan, descubren que algo terrible sucede en el mundo secreto de los dinosaurios. Y la única forma de salvarlo es encontrar la cueva del T-Rex dorado.

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.