Algoritmos: la base de la programación de computadoras (Algorithms: The Building Blocks of Computer Programming)

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...

In this book, a colorful illustrated character bundles up to battle the cold weather before shoveling the fresh snow. With easy-to-read text, early readers will watch snow become a snowman with the help of some hard work and a big hat!

Besides oil, Texas has long been associated with cattle and agriculture. Learning about these industries will allow readers understand how valuable their development is to the growth of the state of Texas, as well as America's economy.

Vocabulary words depict interior and exterior domestic scenes such as a bedroom, a bathroom, living room, kitchen, garden, and a birthday party.

Un día cualquiera de 1936 se convierte para Carmen, como para tantos otros, en una terrible pesadilla. Curtida por los amargos sinsabores de la guerra, mancillada en lo más íntimo y donde más duele, se convierte en espía del Servicio Secreto soviético, que desea apoderarse del arma mortífera que Hitler está experimentando en la contienda española.