Los fósiles y las rocas

Students Will Love Learning More About Our Earth, Moon, And Stars In This Title. It Gives Information On The Phases Of The Moon, The Constellations Of Stars That We See In The Night Sky, Comets And Meteors, And What Exactly Happens During A Lunar Eclipse.

Know Your NumbersFind the hidden numbers in these exciting counting books. Count by ones, twos, fives, and tens!

Earthquakes can leave people and property in bad shape. At times, they can be deadly. Find out about the science of studying earthquakes and the men and women who track the movements of the ground below us. Created in collaboration with the Smithsonian Institution, this Spanish book ignites a curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides English language learners through every step of the engineering design process. Inspire students to pursue a STEAM career with career advice from a real person working in a STEAM field. Discover...

Al examinar las Autonom-as espaolas, lo primero que llama la atencin es que han multiplicado el nmero de pol-ticos y de funcionarios necesarios para que funcione -aunque sea mal- el mastodntico Estado autonmico. El principal inconveniente de la autonom-a territorial es su alt-simo coste, no siempre justificable, que se agrava porque la falta de control estatal facilita los despilfarros de los gobernantes de las CC.AA., quienes acaban financindose con una deuda pblica que ha llegado a ser inasumible, y que pone en peligro tanto la supervivencia de la propia autonom-a territorial como la...

A lo largo de dos cartas dirigidas a un juez, un joven y aparentemente exitoso asesor bancario desgrana sus inquietudes y desvelos, la amargura que se oculta tras una fachada de triunfo social. Silva denuncia el sentimiento de estafa vital que asalta a muchas personas víctimas del modo de vida occidental. Una novela aparentemente sencilla, pero de indudable valor testimonial.