Atlas de especies en peligro

This book looks at natural structures such as plants, animal bodies, mountains, caves, rock formations, and icebergs, the materials from which they are made, and their colors, shapes, and textures. It shows structures made by animals, such as beehives and bird nests. This wonderful book with amazing photos will encourage young readers to notice colors and shapes in nature and how they relate to the purpose of structures.

Los vikingos fueron unos marineros audaces y experimentados que mantuvieron en vilo todas las costas de Europa a lo largo de dos siglos, con sus incursiones en busca de tierras y de riquezas. También fueron buenos comerciantes y el primer pueblo europeo que inauguró la senda de los grandes descubrimientos geográficos. La parte más importante de su legado se conserva en los países escandinavos. Más allá de sus regiones de origen, la principal enseñanza que legaron los vikingos fue su capacidad de lograr grandes gestas con escasos medios materiales, a base sobre todo de arrojo y de...

This work has been selected by scholars as being culturally important, and is part of the knowledge base of civilization as we know it. This work was reproduced from the original artifact, and remains as true to the original work as possible. Therefore, you will see the original copyright references, library stamps (as most of these works have been housed in our most important libraries around the world), and other notations in the work. This work is in the public domain in the United States of America, and possibly other nations. Within the United States, you may freely copy and distribute...

If we could take a trip to the center of the Earth, what would we find? In this amazing book readers can do just that with the help of a special ship that can handle the extreme heat and pressure deep beneath Earth’s crust. Digging through a few miles of the crust is just the start of the nearly 4,000-mile journey to Earth’s core. Readers might be surprised to find that not all of the trip is through solid rock, as the intense heat does strange and amazing things to the material that makes up our planet!