Experimentos sencillos con sólidos y líquidos

Read about the kinds of jobs that people do as engineers, and how they use math, science, and creative thinking to solve problems.

Where is your brain exactly? What does it do? Use your brain to read this engaging, Spanish-translated title and learn all about it!

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.

Knowing how to listen is essential to learning, growing, and getting along with others. This gentle, encouraging book introduces and explains what listening means, why it’s important, and how to listen well. Realistic examples and inviting full-color illustrations bring the concepts to life. The focus throughout is on the positive results of being a good listener. Made to be read aloud, this book also includes a special section for adults, with ways to reinforce the skills being taught, questions to invite lively discussion, and listening games to play. Now children and adults can enjoy our ...