Exploremos los minerales de la Tierra (Exploring Earth's Minerals)

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.

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.

Ariadna tiene el corazón dividido: como un fuego se ha encendido su amor por Teseo, el joven llegado desde Atenas para matar al Minotauro o morir en el Laberinto. ¿Qué debe hacer? ¿Debe dejar que Teseo se pierda para siempre en el palacio de los cien intrincados pasillos? ¿O bien debe ayudarlo a matar a su hermano y luego huir con él de la cruel Creta? Pero, ¿pueden realmente decidir los hombres o son los dioses quienes tejen el frágil hilo de su destino?

La cocina es un lugar excelente para que los pequeños comiencen a descubrir el mundo natural mediante la observación y la experimentación de las frutas y las verduras que comemos todos los días: ¿qué clases de semillas existen? ¿Cuántas formas pueden tener las hojas? ¿Cómo crecen los gajos de las naranjas? En forma de un diario de campo, este libro de actividades invita a los jóvenes naturalistas a responder estas preguntas y pensar en muchas otras, y los anima a cortar, manipular, secar, cultivar, fotografiar, dibujar y coleccionar (y también comer) alimentos que ya tenemos a la...

Written specifically for teenage parents who must blend their own needs as adolescents with the tremendous needs of their children, this book advocates gentle teaching rather than the harsh punishment too often utilized by many parents. Teen parents and former teen parents share their viewpoints on such issues as spanking, disciplining a child while living with one’s own parents, toilet training, and other topics of concern during a child’s first three years. Escrito especificamente para padres jóvenes que deben balancear sus necesidades como adolecentes con las de sus hijos, este libro...

The Industrial Revolution was one of the most dramatic eras of all time, filled with fascinating people, strange events, and incredible stories. This period of great change comes into sharp focus through each spread with detailed, accessible language. Each fact is complemented with vivid, carefully-chosen historical images and illustrations, and a caption that adds just a touch more history. Readers are drawn deep into the facts not covered in history textbooks, like working conditions, inventions, failures, and characters, to make this important history lesson fun and engaging.