Grandes Maquinas

Students will learn about the history of hot air balloons and they will also discover the importance of volume when calculating hot air balloon flight. Used in the classroom or at home, this nonfiction Spanish text includes mathematical charts to help students practice calculations. With a glossary, an index, dynamic images, and easy-to-read text, students will build their math and reading skills while they are engaged in reading high-interest content.

Diego Valverde Villena (Lima, 1967). Magíster en Literatura Inglesa y licenciado en Filología Hispánica, Filología Inglesa y Filología Alemana. Ha realizado estudios de doctorado en las universidades de Oxford, Heidelberg, Tubinga, Chicago y Complutense de Madrid. Profesor de literatura en la Universidad Mayor de San Andrés y profesor visitante en universidades europeas y americanas. Sus ensayos recorren la literatura universal, con especial dedicación a la literatura hispanoamericana. Sobre Álvaro Mutis ha publicado Varado entre murallas y gaviotas. Seis entradas en la bitácora de...

A los lobos les encanta asustar a los niños antes de que se vayan a dormir. Ahora hay uno escondido detrás de la cortina. ¡Descúbrelo! Wolves love to scare children before they go to sleep. There's one hidden behind the curtain right now. Go find it!

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...