Lágrimas de cristal

This book introduces readers to the first inhabitants of the Wild West. Readers will learn about Native American struggles over land and the historical and heartbreaking Trail of Tears. Through rich text and historic photographs, readers will learn about how life changed for Native Americans when white settlers started moving west. Engaging text explains important people and events, including the Great Sioux War of 1876 and Crazy Horse. "Truth or Myth?" fact boxes shed light on the real experiences of Native Americans while sidebars provide additional opportunities for readers to deepen their ...

La Teoría Cosmobiofísica de los 3 Tercios es un conjunto de teorías originales que describen una nueva racionalidad. Esta teoría explica todos los fenómenos que se mantuvieron sin explicación por la ciencia del Siglo XXI. Incluye los conocimientos científicos pasados y actuales, las intuiciones de la Metafísica de una manera racionalizada, una visión exógena proporcionada por la exocivilización de UMMO y de numerosos desarrollos innovadores realizados en colaboración con expertos internacionales en las diferentes áreas tratadas. La Teoría Cosmobiofísica de los 3 Tercios puede...

If a person were ever face-to-face with a huge, hungry animal with sharp teeth, they probably wouldn’t care exactly what that animal was! But from a safe location, can we tell whether it was a crocodile or alligator that wanted to take a bite? By examining their jaw structure, teeth, and other physical features, we can easily tell these two animals apart! Graphic organizers and amazing images highlight each animal’s habitat and other small differences between the two fearsome creatures, showing readers just what creature is lurking below the waters.

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.