National Geographic Readers: Los Gatos vs. Los Perros (Cats vs. Dogs)

Surveys the life of the American statesman, lawmaker, writer of the Federalist Papers, and first secretary of treasury under George Washington.

When they were teenagers, George and Natalia fell madly in love, but his being American and her being Spanish forced them to separate. Ten years later, they meet again and those feelings resurface with overwhelming force. Nat, aware of her difficult personal situation, refuses to give love a chance, but George is not ready to lose the woman he has always loved.

Este libro está principalmente destinado a los estudiantes de las diversas asignaturas del área de Mecánica de fluidos de la E.T.S. de Ingenieros Industriales de la UNED, aunque también puede ser de utilidad para otros estudiantes universitarios de ingeniería, especialmente en la etapa inicial en la que, después de haber estudiado los conceptos teóricos, se disponen a abordar los primeros ejercicios. Para la mayoría de los 224 problemas y ejercicios se proporcionan procedimientos de resolución detallados. En algunos casos se indican esquemáticamente los pasos a seguir y en otros se...

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.