Sacrificios e idolatrías

People have been sending mail for a long time. But how they do it has changed a lot! Read about the history of mail as you learn to collect data. This Spanish math book combines math and reading skills and uses real-life examples of problem solving to teach subject-area content. The dynamic images, detailed sidebars, practice problems, and math diagrams make learning data measurement easy and fun. Text features include a table of contents, a glossary, an index, and captions to build vocabulary and increase understanding of math and reading concepts. An in-depth problem-solving section...

From the best-selling Little People, BIG DREAMS series, Florence Nightingale tells the story of the nurse and healthcare reformer.

Los testimonios no sólo es una obra fundamental en el mundo poético y revolucionario de Roque Dalton; además es una de sus obras más recomendables para aquellos que entran por primera vez en su mundo y pretenden acercarse al conocimiento si no a la experiencia plena del mundo del intelectual comprometido, del rebelde marginal; del mundo donde ética y estética, para bien o para mal, alcanzaron uno de sus grados máximos de comunión.

It may be hard to believe that 140 characters are enough to get a message out to millions of people, but Twitter's users do so every minute. Twitter is vital in many different spheres. This book introduces readers to how they, too, can tweet purposefully. Users can promote their personal brands, network for jobs and gigs, or leverage the platform for political change, education, or worthy causes. This book offers young people ways to amplify their voices and build community via this dynamic tool, while staying focused and safe.