Primeros Ejercicios de Calculo

The early nineteenth century in the United States was a study of contrasts. On the one hand, the Jazz Age brought cultural liberation, vivacity, and reckless consumption; on the other, the Great Depression brought poverty and desperation to millions. Explore these periods in American history through the eyes of the people who lived them.

Un líder asesinado, una duda, una locura ¿fingida?, una venganza. William Shakespeare estrenó Hamlet entre 1600 y 1602... ¿sigues pensando que los clásicos son cosa del pasado?

¡La ciencia como nunca antes la has visto! Cargada de impresionantes imágenes en 3D, ¡Ciencia! muestra los fundamentos de la ciencia con un detalle asombroso: desde las partículas atómicas hasta la metamorfosis. El texto claro y autoritativo explica conceptos complejos de manera sencilla: desde la gravedad al ADN, pasando por los estados de la materia. Esta enciclopedia es el regalo perfecto para niños a partir de 9 años y una ayuda indispensable para el aprendizaje en el hogar de toda familia.

You don't have to live in Europe to be a soccer aficionado. Known as "football" to most people, soccer is a game of speed, skill, and intricate teamwork. Among the many inspirational athletes who make soccer such an exciting sport, few compare to Lionel Messi, the renowned professional footballer from Argentina. Messi's record-breaking skills on the field have earned him the adoration of soccer fans across the globe. In this biography, readers will be exposed to one of the greatest soccer players of all time: a man whose life story is just as thrilling as his incredible ability to score goals.