Un día de trabajo de un astrónomo (A Day at Work with an Astronomer)

Read Along or Enhanced eBook: Did you know that most animals in the world don't have backbones? Learn more about invertebrates in this engaging, Spanish-translated nonfiction book. Readers will learn all about mollusks, arthropods, arachnids, and crustaceans while being stimulated from cover to cover with its detailed images and charts, intriguing facts, and informative text.

Una recopilación de las mejores canciones para jugar, rondas y rimas de sorteo, para llenar el recreo.

Though few may know his name, his achievement as the first European to discover San Diego Bay and many other areas on the California coast enshrines his name in the annals of American history. This exciting volume tells Cabrillo's story from an unknown soldier to the intrepid conquistador, crossbowman, landowner, shipbuilder, and explorer he became. As one of Hernan Cortes' soldiers during the conquest of Mexico and a founder of Guatemala, his actions loomed large in the future of both South America and North America. By both educating and entertaining, this biography illuminates a...

Este volumen es la edición española de la conocida obra Faceţi cunoştinţă cu limba română, material de referencia para la enseñanza de la lengua rumana dentro y fuera de Rumanía. A lo largo de sus cuatro secciones, el libro recorre de forma documentada y amena: las señas de identidad de la lengua rumana (ubicación, número de hablantes, dialectos, proceso de estandarización…), su pasado (el fondo latín, los contactos con otras lenguas, su evolución, la escritura y la aparición del rumano literario) y su presente (fonética, morfo-sintaxis, léxico…). La última parte del...