Por qué algunos animales tejen telarañas (Why Animals Live in Webs)

Computer science is all around us, at school, at home, and in the community. Anyone can learn computer science, even at the elementary school level. This book delves into essential computer science concepts using age-appropriate language and colorful images. The computer science topic is paired with an age-appropriate curricular topic to deepen readers' learning experience. The instructional guide on the inside front and back covers provides: Vocabulary, Background knowledge, Text-dependent questions, Whole class activities, and Independent activities.

«Las novelas de Colin Harrison no se leen: se devoran.»The Philadelphia Inquirer «Harrison domina como nadie el clima y la ambientación.» MICHIKO KAKUTANI, The New York Times. «[Harrison es] el mayor especialista de la novela urbana.» Entertainment Weekly Cuando una noche Jin Li, una atractiva mujer china que vive en Nueva York, acepta ir a dar una vuelta en coche hasta Brooklyn con dos chicas mexicanas sin papeles, poco podía pensar que minutos después tendría que echar a correr para salvar su vida. ¿Por qué? Porque Jin Li no es exactamente lo que parece. Entre las personas que...

For those who enjoy unconventional solutions, the author offers a wide range of all-time paradoxes that defy your deductive and calculation skills with impossible logical truths, and helps you to learn how to overcome the traps of false truths.

For most of history, women have been confined to their households, and to lives without equal rights or equal opportunities. This volume introduces readers to the women of the suffrage movement, the defining movement for women’s rights, especially the right to vote. Primary sources and photographs will show readers firsthand how the challenges and successes of this movement shaped the lives of women across the United States. Readers will also learn about the inequality that still exists for women, and how they can change this injustice in the future.