El Misterioso Mundo de los Códigos Secretos

The Callender brothers, members of the Bloodhound club, possess a great curiosity and adventurous spirit. When their father is elected director of an exhibition in Paris, they are delighted to spend a vacation there. Though when they arrive, they come to find that the Seated Scribe, the masterpiece of the exhibition, is nothing more than an imitation. Los hermanos Callender, miembros del Club de los sabuesos, tienen una enorme curiosidad y un gran espíritu de aventura. Cuando su padre es elegido director de una exposición en París, están encantados de pasar allí unas vacaciones..., que...

Brief biographies of well-known men and women, from ancient time to the present day, who made significant contributions in various fields.

Aisha, el caballo más veloz del mundo, fue robado por un terrorista experto en genética, quien adelanta escabrosos experimentos de clonación no solo con animales, sino también con humanos. Su labor se escuda en una reconocida firma de investigación que compite en la carrera científica por descifrar la clave de la vida: el genoma humano, labor en la que también está empeñado Dan, un prestigioso genetista de la Universidad de Miami, amigo de la tía Abi y de los chicos aventureros. En compañía de Dan, este grupo conocerá los avances de la ingeniería genética, ciencia que permite...

From Mexico to the tip of South America, Latin America features varied scenery, including deserts, grasslands, plains, and mountains. Some are extreme: The Andes is the world's longest mountain range, and the Atacama Desert has not had rain for over 400 years! Latin America's remarkable landscape is an essential factor in its surprisingly different climatic zones. This insightful volume offers a comprehensive tour of the many vibrant countries of this fascinating region, highlighting its most striking areas in vivid photographs. It is also an inviting exploration of geography, natural...

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...