La Tierra (Earth)

This complete Spanish translation of the highly acclaimed Isaac Asimov's 21st Century Library of the Universe is ideal for students still developing their English-language skills.

A 2014 report by the US Department of Education found that 22 percent of students ages twelve to eighteen had experienced bullying. This cogent narrative provides readers with supportive methods to help a friend who is being bullied and to promote a bully-free learning environment at school. Physical, social, psychological, and verbal bullying are examined, as well as cyberbulling. Readers discover the consequences of bullying both as a target and as a bystander. They also consider ways to intervene in a bullying situation, how to seek adult help, and how to be empowered and recover from...

Diviértete con las locuras del pirata Arreglaentuertos y ahorra un dinerito con este fantástico libro-hucha.

Esta colección está ideada para niños de entre 1 y 3 años. Con ella se quiere iniciar a los niños en la capacidad de asociar imágenes con palabras además de introducir los conceptos básicos de su grafomotricidad -trazo horizontal y vertical-.

Whether epic tale or legendary quest, the narrative texts in this series are adapted in a captivating style for each period, allowing the reader to track heroes and share their adventures, discover great civilizations, and learn about world history. The texts are based directly on original works or on a variety of authentic, ancient sources and tales. The narratives are enhanced by specially commissioned illustrations, photographs, and reproductions of ancient artifacts and documents. Mito, historia épica o búsqueda legendaria, los textos narrativos de esta colección adaptados con estilo...