Criptología digital (Digital Cryptology)

There is a bright light in the night sky. Sometimes it is round like a ball, sometimes it is a crescent, and sometimes it is not there at all! What is this strange and changing thing? It is the moon, of course! Read all about our moon and the moons surrounding other planets in this Spanish-translated book.

Readers will love this exciting biography about the famous cowgirl, Annie Oakley! Through colorful images, helpful text, an accessible glossary and index, and timeline of Annie's life, readers will discover the amazing things that Annie could do with a gun, how she earned the nickname Little Sure Shot, and how she became one of the stars of Buffalo Bill's Wild West Show! This book has been translated into Spanish.

This Is My Ball focuses on colors, showing young readers a different color ball on each spread. Simple vocabulary and repetitive text boost reading skills, while a strong photo-text match aids comprehension.

¿Una época, un periodo, sólo un momento? Ramírez analiza el arte que en estos años y bajo esta advocación se ha producido y/o difundido- la apoteosis Duchamp, las máquinas de Tinguely, los graffiti, el cine y la ciudad, la arquitectura postmoderna...-, sus problemas.