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.

What has a scruffy tail, soft fur with dark spots, and a short, spiky mane? If you guessed a spotted hyena, you're right! This book introduces early readers to a mystery animal by describing its features, one by one, using short simple sentences and eye-popping full-color photos. At the end of the book, the secret animal is revealed across a colorful, two-page spread. Young children will love showing off their beginning reading skills as they learn about this dazzling collection of wild and wonderful zoo animals--one clue at a time! Fast facts and habitat maps at the end of the book provide...

Sitting Bull first went to battle at the age of 14. He grew to be widely respected for his bravery and insight, and became chief of the Lakota nation in his thirties. By the time he met General Custer at the Battle of Little Big Horn, his courage was legendary. Though he soundly defeated Custer, public outrage at the defeat brought thousands of cavalrymen to the area, where it took four more years before the brave chief would surrender. He was forced onto a reservation where he was later killed when police attempted to arrest him.

Wind Power: A waving flag, blowing leaves, a kite soaring through the skyall are moved by wind power. Wind is also our fast-growing source of energy. Find out how wind forms and the different ways we may use it in the future.

El Pseudo Dionisio Areopagita, tres heroísmos en conjunción: Biblia, Filosofía y Religión. Tres dimensiones entrelazadas, elevadas seguro hasta las cumbres de santidad y ecumenismo universal Rudolf Otto, Thomas Merton, los jesuitas, H. de Lubac, Lasalle, W. Johnston... han puesto de relieve la relación entre la más profunda religiosidad del Oriente y Occidente. Como fuente de inspiración les han servido las obras del Pseudo Areopagita, cuya conclusión más gloriosa viene a ser la “Subida del Monte Carmelo y las Noches” de San Juan de la Cruz. Esta edición de sus Obras completas...