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.

Simple illustrations and text introduce young readers to various types of seeds; and includes instructions for a related activity. Presented in Spanish.

Acertijero es una recopilación de enigmas, adivinanzas y retos para el intelecto, que ayudan al desarrollo de competencias verbales. Este libro auxilia a todos sus lectores para desarrollar sus capacidades de análisis, relaciones del lenguaje, solución y entendimiento de problemas lógicos y matemáticos. Esta obra, dirigida a un amplio margen de edades, presenta textos e imágenes que serán atractivos y útiles para todo público.

Continuamente, y casi desde que nacemos, recibimos mensajes sobre el amor que ayudan a crear falsos mitos: que para ser felices tenemos que encontrar nuestra media naranja, que los celos son una muestra de amor... Cuando la realidad choca contra estos falsos mitos se produce una frustración que provoca infelicidad y que, en casos extremos, puede derivar en violencia de género. En este libro encontrarás una serie de retos que te ayudarán a reflexionar. A descubrir tus propias respuestas. Enfréntate a ellos sin miedo, atrévete a pensar a tu manera. Porque para que la sociedad avance...

Read Along or Enhanced eBook: Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.