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...

Ahora para jóvenes lectores, la periodista ganadora de cuatro premios Emmy y presentadora de Latino USA de NPR, María Hinojosa, cuenta la historia de la inmigración en los Estados Unidos a través de las experiencias de su familia y décadas de hacer reportajes, con lo cual crea un retrato de un país en crisis. María Hinojosa es una periodista ganadora de premios Emmy y la primera latina en fundar una redacción independiente sin fines de lucro en los Estados Unidos. Pero, antes de todo eso, fue una niña con una gran melena y sueños aún más grandes. Nacida en México y criada en el...

The crustacean subphylum can be broken down into decapods, amphipods, copepods, and other types. This title offers readers from grades one through four comparisons between the needs and roles of different crustaceans, which will allow readers to understand the subphylum’s importance. Readers will recognize and expand their knowledge about familiar species like the lobster and the shrimp, while being introduced to the likes of the wood louse and zooplankton. Dynamic photography and methodically organized information will help readers examine the many sizes, types of limbs, and other features ...

The Grand Canyon is a "grand" place to learn data analysis! Through an examination of its rocks and fossils, students will learn data analysis while reading about a fun-filled trip to Grand Canyon National Park. This Spanish book uses real-world examples to teach math concepts, and incorporates nonfiction reading to increase vocabulary and comprehension skills. The challenging practice problems, graphs, and sidebars provide many opportunities for students to practice their developing math skills, and apply what they've learned to their daily lives. Essential text features like a glossary,...

"Los patios de juegos son lugares estupendos para jugar con tus amigos. Pero si no tienes cuidado, te puedes lastimar. Si sigues estas reglas de seguridad, te divertirás en todo tipo de patio de juegos." --From publisher's descripton.