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...

Wind Power: A waving flag, blowing leaves, a kite soaring through the skyall are moved by wind power. Wind is also our fast-growing source of energy. Find out how wind forms and the different ways we may use it in the future.

Learn the secrets to artful cupcakes, oven-fresh bread, and other delicious baked goods in this delightful nonfiction title. Readers will learn how mathematics helps bakers measure their ingredients to make tasteful treats. Featuring vibrant images and charts, informative text, and fun, intriguing facts, this Spanish-translated nonfiction book will leave children fascinated by all the details that go into baking their favorite treats--like doughnuts and cookies! This 6-Pack includes six copies of this title and a lesson plan.

Consolidates the Student's Book lessons with targeted practice, unit by unit Additional practice of reading, writing, speaking, listening and use of English skills Extensive grammar and vocabulary practice Complete practice exam in Unit 10 Designed for independent study at home and practice in class Audio for listening lessons available on the Student's App

Esta novela relata una historia real. Sucedió en 2011. La vivió Irina Lucidi. Esta novela aborda un dolor para el que muchos idiomas no tienen una palabra: «La palabra que falta. El progenitor que pierde a un hijo. No que lo mata: que lo pierde. ¿Cómo se llama, cómo se dice, quién es aquel a quien se le ha muerto un hijo? ¿Qué lugar ocupa en la historia? Falta la palabra, falta la palabra. Carencia, ausencia. ¿Quién la ha borrado?, ¿cuándo?, del diccionario italiano, francés, alemán, español, inglés. Y, además, ¿por qué?» Irina es una mujer de padre italiano y madre...