44 juegos auditivos

Explains the basic science of flight, the problems of getting vehicles into the air, different types of engines, and aircraft design, and includes instructions for making aircraft models.

Severn Cullis-Suzuki was only twelve years old when he addressed the entire world: What are we doing to Earth, our home? How far can human greed go? Little Severn embarrassed the world leaders and asked them to be consistent, that their actions would reflect their words. An emotional speech, full of truths as simple as they are revealing, and even more relevant today than when it was delivered. This is a bilingual edition.

«Ahora que las mujeres participan en la literatura en pie de igualdad, va siendo hora de que nos digan cómo ven lo real, nos den esa mitad que falta para ver cabalmente lo que existe. En esta su primera novela, Alicia Giménez Bartlett va por ese camino y va pisando bien.» GONZALO TORRENTE BALLESTER, 1984 A la bella Pamela y la frágil Clarisa, al financiero Finn, a madame Tevener, a Octosílabo el ferroviario y al poeta Léonard no les une nada... salvo EXIT, la peculiar salida de emergencia que han escogido para sus vidas. Tras pagar los correspondientes honorarios a la organización,...

When the Pilgrims landed near Plymouth, Massachusetts, in 1620 they were unprepared for the challenges they would face. Many Pilgrims died until Squanto, a Patuxet Indian, taught them how to survive. To give thanks for a good year, the Pilgrims threw a huge feast, later called Thanksgiving.