Experimentos con la luz

This Spanish-language series presents the complete range of math concepts and skills students are expected to master during the first grade. The series moves sequentially, from easiest to hardest concepts, with each book covering a different math topic. The first volume reviews the math concepts students learned in kindergarten. The next six books cover counting, adding and subtracting, tables and graphs, money, patterns, and measuring. The eighth volume is a summary of the math concepts students have studied throughout the year. Each book presents situations that show the relevance of math...

From art and architecture to politics, philosophy, and mathematics, "western civilization" owes a great deal to the achievements of ancient Greece, but what do we really know about this long-gone civilization? How did geography influence the politics of the Greek city-states? What's the difference between an agora and an acropolis? This book takes readers several thousand years into the past, when independent city-states ruled the Mediterranean Sea, to find the answers. Full-color photographs and maps, accompanied by accessible text, introduce readers to the many contributions the ancient...

Despues de ocho anos de su ultima obra, y siete anos despues de la publicacion de su poesia reunida, Andres Sanchez Robayna ofrece a sus lectores su nuevo y esperado libro. Como Morandi o los pintores esencialistas a la manera de Cezanne, Sanchez Robayna encuentra en los objetos, en su perfil y en la luz que proyectan, en los estimulos que configuran un momento irrepetible, ocasion para explorar los signos de la naturaleza, las claves de lo real. Sus poemas, en una lengua exacta, sin condescendencia o lo retorico, logran descigrar el mundo, elevarse sobre lo cotidiano y rozar la esencia, lo...

This guide will train the next generation to overcome obstacles and flourish by coaching them to use the internationally renowned Getting Things Done methodology. A productive system at school and as a set of tools for everyday life.