Matemáticas 3o Primaria. Proyecto Ágora

What did people use to buy things before money was invented? Where is money made? Find out in this inviting book that informs readers about coins, paper money, the Federal Reserve, exchange rates, and checking accounts. Featuring a timeline of money's history, detailed photos, stimulating facts, clear, informational text, and a glossary that will assist in improving vocabulary, this Spanish-translated nonfiction title will keep readers engaged from cover to cover.

On a special field trip in a magic school bus Senorita Carola's class learns first hand about different kinds of rocks and the formation of the earth. Spanish edition.

Do you know why there are thirteen stripes and fifty stars on the American flag? Or how the American flag inspired Francis Scott Key to write "The Star Spangled Banner?" Find out the answers to these questions and more in The American Flag.

Escritos entre 1924 y 1932, los microgramas son el testamento literario de Robert Walser. Se trata de una colección de 526 hojas y papeles de distinto formato densamente cubiertos de una letra minúscula, escritos a lápiz e ilegibles a primera vista. La minuciosa labor de Werner Morlang y Bernhard Echte, que dedicaron más de quince años a descifrarlos letra a letra, puso fin al desconcierto y reveló como una colección de textos breves, poemas y dramas en verso de incalculable valor literario lo que en un principio parecía fruto de la locura del autor suizo. El propio Walser reconoció...