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...

"Esta delicada historia enfoca la relación entre dos niñas que se encuentran en un campamento veraniego y describe la cálida amistad que se desarrolla entre ambas pese a que una de ellas tiene el síndrome de Down"--P. [4] of cover.

The Earth is made up of shapes. The shapes make up landforms. Find out about all of Earth’s landforms. Paired to the fiction title A Long Car Ride.

The Industrial Revolution brought important changes to America. People began migrating to cities for work, and immigrants began to arrive in American in larger numbers than ever before as they looked for new employment opportunities. Readers explore the impact of the Industrial Revolution on U.S. migration and immigration patterns. As readers learn about essential social studies curriculum topics, engaging historical images and detailed primary sources hold their interest. This transformative period in American history comes alive for readers with each turn of the page.

Nos abrazamos, besamos y acurrucamos cuando estamos enamorados. Queremos estar siempre cerca de quien nos gusta y hasta le hacemos regalos a esa persona tan especial. Todo esto también cuenta para los animales, ¡pero no solo eso! Ellos, además, tienen un sinfín de extraños comportamientos que te dejarán boquiabierto: persecuciones, trompazos, coreografías y triquiñuelas son solo algunas de las cosas que los animales hacen para cortejar a sus parejas y lograr quedarse con ellas. Después de leer este libro, probablemente te preguntarás si acaso todo vale en el juego del amor. ¡Así...