Evolución y vida (Charles Darwin)

Computer science is all around us, at school, at home, and in the community. Anyone can learn computer science, even at the elementary school level. This book delves into essential computer science concepts using age-appropriate language and colorful images. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience. The instructional guide on the inside front and back covers provides: Vocabulary, Background knowledge, Text-dependent questions, Whole class activities, and Independent activities.

“Dino” Don Lessem brings readers face-to-face with various dinosaur species, detailing their habitats, way of life and how they became extinct. An acclaimed dinosaur expert, Don Lessem has written more than 30 children’s books, writes a popular dinosaur column in Highlights magazine, and was an adviser for Jurassic Park. Take a trip through dinosaur time to meet these horned dinosaurs face-to-face: Torosaurus had the biggest skull of any animal ever! Pentaceratops had five sharp horns on its head! Styracosaurus was as big as an ice cream truck! Plus, you'll get to know Centrosaurus,...

HernanCortes parte rumbo al Yucatan con la mision de auxiliar a la expedicion de Juan Grijalva que enviara el gobernadorde Cuba, Diego Velazquez, y de la cual no se habia vuelto a tener noticia. Noobstante, poco antes de la partida, el gobernador decide desposeerle del mando, pero Cortes consigue hacerse a lamar, y luego de vicisitudes sin cuento, se adentra en ignotos territorios dominados por los indios mexicas, cuyo emperador, Moctezuma, rige susvastos dominios desde la ciudad de Tenochtitlan.En un principio, Moctezuma cree saber queHernan Cortes es la encarnacion del diosQuetzalcoatl, "La ...

Translated summary: In northern Iceland, 1829, Agnes Magnúsdóttir is condemned to death for her part in the brutal murder of her lover. Based on actual events.