Energía del viento (Wind Power)

Reptiles y anfibios is one book in the Spanish-language Gran Atlas de la Ciencia series that covers today's most popular science topics, from digital TV to microchips to touchscreens and beyond. Perennial subjects in earth science, life science, and physical science are all explored in detail. Amazing graphics--more than 1,000 per title--combined with concise summaries help students understand complex subjects. Correlated to the science curriculum in grades 5-9, each title also contains a glossary with full definitions for vocabulary.

«¡Por fin ha regresado la fantasía a la literatura!». ANA MARÍA MATUTE. Petra tiene doce años, un padre inventor y una araña parlante y lectora con problemas de insomnio. Pese a todo, su vida se desarrolla sin grandes contratiempos? hasta que el príncipe Rodolfo hace llamar a su padre para encargarle algo: la construcción de un reloj astronómico sin igual, que, una vez terminado, enseguida cobra fama por su belleza. No obstante, Petra pronto se entera de lo que oculta el reloj: un mecanismo capaz de manipular el clima mediante el tiempo. El padre de la niña trata de tranquilizarla, ...

History is full of unsolved crimes, mysterious disappearances, and strange sightings. Readers will discover some of the most well-known mysteries in history--including Amelia Earhart, Big Foot, and the Salem Witch Trials--in this fascinating, Spanish-translated nonfiction book. Featuring detailed images, intriguing facts, and informational text in conjunction with a glossary of terms and an index, readers will be enthralled from beginning to end!

Children are encouraged to celebrate and appreciate both their own and other people's differences and shows how, when people of different races and ethic backgrounds come together, they make a beautiful rainbow.