Paradojas y juegos

Computer science is all around us, at school, at home, and in the community. This book gives readers the essential tools they need to understand the computer science concept of reusing resources and knowledge. Brilliant color photographs and accessible text will engage readers and allow them to connect deeply with the concept. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience and show how reusing resources and knowledge can be helpful in the real world. In this book, readers learn about the Bill of Rights and how parts of it...

Michelangelo, the world-renowned artist who painted the Sistine Chapel's frescoes and sculpted Moses, David, and the Pieta, is the subject of this beautifully written historical novel. Text copyright 2004 Lectorum Publications, Inc.

Christopher Columbus landed in the West Indies on October 12, 1492. Today, October 12 honors Columbus’ adventurous spirit as well as his Italian-American heritage. Easy-to-follow bilingual text in English and standard Latin American Spanish explains the holiday’s history and contemporary celebrations in accessible terms. Photographs illustrate Columbus’ life as well as modern celebrations of the holiday in his honor.

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...