Los ladrones del Santo Grial

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.

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.

Comic-strip character Gaturro and his friends Gaturrin, Agatha, and Emilio come to life in this colorful book that follows their adventures. Fun storylines and vivid drawings bring Gaturro and his gang to life.

"Lady Isabel Pelham y Gerard Faulkner, marqués de Grayson, son la pareja más escandalosa de todo Londres. Tienen en común una lujuria desmedida, un gran ingenio, una provocativa reputación en entredicho y, lo más importante, ninguna intención de enamorarse el uno del otro, algo con lo que tirarían por la borda su matrimonio de conveniencia. Por nada del mundo romperían esa farsa ... hasta que el destino aparta a Gerard del lado de Isabel. Cuatro años más tarde, el marqués de Grayson regresa a casa. Isabel se encuentra con que el pícaro joven se ha convertido en un hombre poderoso...