En el trabajo: Contratistas: Perímetro y área (On the Job: Contractors: Perimeter and Area)

The skeletal system is made up of bones. They support and protect your body and help it work. Some bones help you run, or pick up a pencil; others protect organs, like the skull, which protects your brain. Learn about bones, joints and more in this informative book.

Every year, North Americans fly the American flag on June 14th. This show of patriotism isn't in anticipation of Independence Day; it's a different holiday entirely. Flag Day is a celebration of the adoption of the Stars and Stripes as the official flag. The book helps beginning readers learn about the American flag, how we take care of it, and how we honor it as a national symbol.

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...

A lo largo de su vida, Eugenio d’Ors, también conocido como Xenius, fue nacionalista catalán, sindicalista, monárquico y, finalmente, falangista. También fue un intelectual extraordinario, crítico de arte, escritor paciente deun dilatado Glosario en catalán y en castellano y, en definitiva, uno de los autores más interesantes de la España de la primera mitad del siglo xx. Una figura tan relevante, compleja y llena de contrastes necesitaba una biografía queexaminara de forma unitaria todas sus facetas. De un modo exhaustivo y nada complaciente, Eugenio d’Ors (1881-1953) saca a la...