La historia de los sistemas numéricos: Valor posicional (The History of Number Systems: Place Value)

Además de la violencia ejercida sobre los opositores y la instauración de un modelo que ponía en el centro de la vida social al mercado, la dictadura de Pinochet se empeñó en forjar una juventud que permitiera proyectar el “nuevo orden” por medio de organizaciones civiles que dieran pie, a medida que estos jóvenes crecieran, a partidos políticos, organizaciones empresariales, think tanks y universidades. Fue la primera vez en la historia de Chile que se instituyeron “juventudes de Estado”, a la manera en que lo hicieran los gobiernos de Mussolini en Italia, Salazar en Portugal...

Simple text and photographs show how common shapes can be put together to create new and different ones.

A retelling, in graphic novel form, of the myth of king Osiris and his wife Isis's efforts to keep Osiris's brother from taking his place on the Egyptian throne.

Action! It's time to enter the world of movie magic! readers are taken behind the scenes to find out what is needed to make a film. From the director to the actor, the director of photography to the costume designer, children will be fascinated to learn about the various aspects that go into motion pictures. With its vivid images, informational text, and impressive facts, this Spanish-translated nonfiction title will have readers engaged through the entire book as they discover amazing facts about their favorite genre--whether it be comedy, drama, action, or horror! This 6-Pack includes six...