How Do You Measure Time?

Provides an overview of the design, uses, weapons, and equipment of U.S. Navy submarines. Written in English and Spanish.

At an early age, Steve fell in love with the possibility of the computer machine. He knew it had the power to change someone's life. Inspired to create a personal computer accessible for everyone, Steve went on to become one of the most influential inventors the world has ever met. This inspiring story of the visionary and entrepreneur features a facts and photos section at the back.

Children learn about the features of Tyrannosaurus Rex, what Tyrannosaurus Rex ate, and how it attacked other dinosaurs.

Docencia: riesgos y desafíos, aborda de manera integral la profesión docente, capturando la enorme complejidad que la caracteriza; asimismo, incluye prácticamente todas las dimensiones de la actividad magisterial; es una obra que reivindica y dignifica al profesor. Resulta un libro completo debido a que define a la actividad docente, sus espacios, oportunidades, riesgos y amenazas. Además, la enfoca en su contexto individual, relacional, grupal y organizacional; abarca los ámbitos psicológico, sociológico, laboral, económico administrativo y el relacionado con la salud. Incluye temas...

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