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

Learn the many steps that must be followed to make a car! With vibrant, detailed photos, informational, Spanish-translated text, and a chart to show steps of the assembly line, even the most reluctant reader will want to learn more about this fascinating factory!

Readers may never expect that they might free fall to Earth, but if they have ever dived into a pool, that's exactly what they've done. This Spanish-translated book shows readers how Newton's three laws of motion affect divers, skydivers, and mountain climbers' movements. Readers discover who uses gravity, who works against it, and all other forces that contribute to a successful dive or climb. After reading this Spanish-translated book, readers can decide if they will ever be interested in engaging in one of these extreme sports. This 6-Pack includes six copies of this title and a lesson...

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.

Beisbol, sus Reglas Comentadas, es un libro sencillo en su concepción que busca acercar a los jugadores y fanáticos del deporte del bate y la pelota un poco a los reglamentos que lo rigen, tratando de destrabar los vericuetos de cada una de ellas de forma sencilla, a veces hasta un poco infantil y otras irónica y controversial, lo que ya es un constante de su autor Broderick Zerpa.