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Libros profusamente ilustrados, con bellas y expresivas imágenes a todo color y textos directos, claros y concisos que ayudan a los primeros lectores a comprender, amar y cuidar el mundo en que vivimos y que compartimos con nuestros semejantes. Este volumen pone al alcance de los más jóvenes los fenómenos climáticos, es decir, la combinación de diversas temperaturas, lluvia y sol que se van manifestando con relativa estabilidad una estación tras otra. Los científicos están muy preocupados por el calentamiento progresivo de la Tierra, porque tendrá consecuencias muy importantes para...

Nuestro mundo, with Tu mundo, is a complete, two-level Spanish program for native Spanish speakers, providing focused treatment of Spanish-speaking peoples, including language, literature, culture, and history.

For use in schools and libraries only. Say Curtis describes his meeting with Pinkus Aylee, a black soldier, during the Civil War, and their capture by Southern troops. Based on a true story about the author's great-great-grandfather.

Anyone can learn computer science, even at the elementary school level. This book delves into computer science careers using age-appropriate language and colorful illustrations. A meaningful storyline is paired with an accessible curricular topic to engage and excite readers. This book introduces readers to a relatable character and familiar situation, which demonstrates computer science careers in everyday life. Readers will follow a narrator that makes an app with some help from their friends. This fiction book is paired with the nonfiction book Web Developers at Work (ISBN: 9781508137757). ...