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...

A través de recuerdos personales, conversaciones íntimas, fragmentos de diarios y cartas en las que Diana revela su temor a ser asesinada en un falso accidente de coche, Burrell nos ofrece un testimonio extraordinario sobre la monarquía y sobre la azarosa vida y trágica muerte de una de las figuras más carismáticas de nuestro tiempo.

Having a job and earning money are a part of everyday life for most people, especially adults. The concept seems fairly straightforward: one works to earn. This volume discerns the difference between a job and a career, as well as how a job can develop into a career. Readers will learn why a community's economy needs jobs, how paying someone to do a job helps the person who is paying them, and even about job loss and its consequences. The text also explains different jobs and their effects on the economy, such as those of professional, production, arts, and government and military jobs.

A family is a type of community, in fact, it's our first community experience. Like other types of communities, families have rules in order to function smoothly. A defined set of rules is good for all family members, regardless of their age. This book helps children understand why it's important for their family to have rules. Close picture-to-text correlation encourages readers to make connections with the text. Civics concepts from the C3 Framework for Social Studies are introduced at a level appropriate for early elementary students.

This inspiring biographical series ties in with elementary history, science, and social studies curricula, providing teachers with a valuable interdisciplinary resource. With these books, young readers will discover historical figures who devoted their lives to making the world a better place, and changed the course of history. Text copyright 2004 Lectorum Publications, Inc.