Diario de una ausencia

This complete Spanish translation of the highly acclaimed Isaac Asimov's 21st Century Library of the Universe is ideal for students still developing their English-language skills.

Learn about the Victorian era while building your knowledge of equivalent fractions! Students will learn fractions while engaged in reading about the innovations of the Victorian era. This Spanish book combines mathematics and literacy skills, and uses practical, real-world examples of problem solving to teach math and language arts content. The glossary, index, and table of contents will further understanding of reading and math concepts, and the full-color images, practice problems, and math graphs and charts make learning math easy, practical, and fun. The Explore Math sidebars and Math...

With a direct tone and based on testimony, questions, real emotions, and inquiries, this book advises adolescent young men on several different topics: muscles, sports, women, acne, humor, the Internet, music, jokes, money, risks, and protection, among others. A book filled with information, practical ideas, modern tips, and illustrations, it has the added benefit of being endorsed by professionals specializing in each of the subjects it covers. Con un tono directo y sin prejuicio, este libro surge de testimonios, preguntas, emociones e inquietudes reales, intentando orientar y dar respuesta...

Todo lo que existe en el universo tiene un opuesto: luna y sol, silencio y ruido. emoción y razón, invierno y verano, calma y tormenta, muerte y vida... Pero ninguno de estos opuestos permanece puro, quieto. Los opuestos se mezclan todo el tiempo, y de este movimiento surge el mundo tal como lo conocemos: multicolor y diverso.