Pequeña introducción a la filosofía

All Spanish Prepositions This book is intended to explain how to use the 23 prepositions existing in the Spanish language to students of Spanish as a second language or to Spanish native speakers who want to acquire, refresh or improve their knowledge on this topic. Studying prepositions in any language is one of the hardest tasks because there are several rules to follow as well as some exceptions. The various rule categories are explained for each preposition along with numerous examples. These examples cover different contexts to give the reader multiple usage options of the language...

Integrate science, history, and math into literacy lessons with these high-interest, Spanish-translated books. Topics such as space exploration, endangered animals and money management are designed to engage and inform students. Sophisticated graphics, interactive text features promote critical thinking hand help students build vocabulary and increase visual literacy skills.

Para Heinrich von Kleist (1777-1811) una novela consistía en la narración de un «acontecimiento inaudito», según la definición de Goethe. Sus personajes son héroes hamletianos sometidos a los imponderables del destino, enfrentados a situaciones límite que les plantean retos existenciales que surgen del caos. El presente volumen reúne toda la obra narrativa de Kleist: dos novelas cortas: Michael Kohlhaas y

A guide to some of the most extraordinary places, objects and sights in the cosmos, from the amazing worlds of our olar system to distant galaxies and glowing nebulae--and almost everything in between. Includes 100 objects from throughout the universe, arranged from closest to our planet to farthest away. Discover the best-kept secrets of space.