La jungla

Tres libros todo cartón que nos presentan en cada doble página un animal con un dibujo y un texto rimado que lo describe; y además, un rompecabezas de 9 piezas que representa a estos mismos animales. Pensado para que los más pequeños se entretengan fijándose en los dibujos del libro y jugando a resolver el rompecabezas.

A New York Times best-seller and winner of the ABBY Award features lavish illustrations of Native American settings and shares Chief Seattle's environmental message for "helping preserve what is being lost."

Chilean edition of the exhibition of Alfredo Jaar (b. Chile) in Sweden at the Fine Arts Museum of Lausanne from june to september of 2007. The present edition gathers the translations of the essays into Spanish. Contains an essay by Adriana Valdés.

Who were the earliest Americans? When, how, and from where did they enter and spread across the continent? And what is their relationship to modern Native Americans? Anthropologists develop theories to answer these questions based on the evidence they discover. Their theories—and the discoveries that prove and disprove them—are highlighted in this fascinating volume, full of awe-inspiring facts and incredible breakthroughs. Readers will feel like anthropologists and archaeologists themselves as they read about bones and artifacts, and what they reveal about the ancient cultures that roamed...

There are many steps in the nitrogen cycle that include difficult concepts and words: denitrification, prokaryotes, ammonia, and more. With the help of this understandable book, even struggling readers will grasp this cycle of nature. Low-level language, fact boxes, and an extended glossary provide readers with essential vocabulary explanations that allow them to further understand each step of the cycle. Full-color diagrams aid readers' comprehension as they move through the cycle from start to finish, and then around again.