Todo sobre las medusas

Provides a history of the city of Tenochtitlan, describes its eventual burial and rediscovery in more modern times, and details processes used in the excavation of the Great Temple.

With exciting, brilliant photography this exciting book discusses how some sharks come from eggs while others do not.

Introduce children to ways that the Earth's surface is constantly changing. This Spanish book teaches readers about earthquakes, volcanoes, weathering, and erosion. Featuring stunning images and fascinating facts, children will also learn about famous landforms like the Canadian Rocky Mountains, Angel Falls, Mount Fuji, and Columbia River Gorge. With a glossary, index, and engaging lab activity, readers will be encouraged to further explore the science behind landforms!

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...