Lo que el Frente Polisario esconde

As a young boy, Jos Marti he traveled to the countryside of Cuba and fell in love with the natural beauty of the land. During this trip he also witnessed the cruelties of slavery on sugar plantations. From that moment, Mart began to fight for the abolishment of slavery and for Cuban independence from Spain through his writing. By age seventeen, he was declared an enemy of Spain and was forced to leave his beloved island. Marti traveled the world and eventually settled in New York City. But the longer he stayed away from his homeland, the sicker and weaker he became. On doctor's orders he...

In 1848, gold was discovered in California, attracting over 300,000 people from all over the world, some who struck it rich and many more who didn't. Hear the stories about the gold-seeking 'forty-niners!' With black-and-white illustrations and sixteen pages of photos, a nugget from history is brought to life!

Learn how light pollution prevents us from seeing the stars and causes other problems as well. This Spanish book features a hands-on STEAM challenge that gives insight into how the engineering design process is used to solve real-world problems.

Esta obra ha sido desarrollada para llevar los principales contenidos aeronáuticos a los entusiastas de la aviación, a los alumnos y futuros pilotos y a todo aquel apasionado del ámbito aeronáutico que desee aprender un poco mas de este fascinante mundo de la aviación civil. Aprenderemos los principales conceptos teóricos de la aviación. Un resumen de cada área aeronáutica, explicada de forma sencilla y agradable de leer, pero al mismo tiempo, desarrollando los contenidos mas relevantes de forma profesional y sumamente educativa. ¿Como son las pistas de los aeropuertos?,...