Estadounidenses asombrosos: Thurgood Marshall (Amazing Americans: Thurgood Marshall) (Spanish Version)

No town or city could be built if the builders didn't understand the concepts of perimeter and area. Students will use perimeter and area to build towns and cities and design homes and parks in the book, Pueblos y ciudades (Towns and Cities). At home or in the classroom, this nonfiction book will engage students in learning measurement and geometry, and how to grid patterns, through fun practice problems and diagrams.

Internet security breaches have been in the news of late. Organizations, governments, businesses, and individual internet users are all at risk. This book introduces readers to the importance of cybersecurity and addresses the current risks from hackers, viruses and other malware, identity thieves, and other online perils. It provides concrete measures that young digital natives can take to protect themselves and their computers, smartphones, and other devices. This volume's lively, cautionary narrative and useful tips will help readers effectively defend their identities and data.

Esta es la historia de Pablo Picasso, uno de los artistas más importantes que han existido. Desde pequeño, observaba el mundo con mucha atención y quiso enseñarnos su forma de mirar a través de la pintura. Su manera de dibujar fue evolucionando y así llegó a inventar un nuevo estilo: el cubismo. En este libro, no solo conoceremos momentos importantes de la vida de Picasso, sino que también aprenderemos a entender su pintura: ¿cómo es un cuadro cubista?, ¿por qué Picasso decidió pintar así?

What did people use to buy things before money was invented? Where is money made? Find out in this inviting book that informs readers about coins, paper money, the Federal Reserve, exchange rates, and checking accounts. Featuring a timeline of moneys history, detailed photos, stimulating facts, clear, informational text, and a glossary that will assist in improving vocabulary, this Spanish-translated nonfiction title will keep readers engaged from cover to cover.