Desafíos matemáticos

Readers will discover what you can do at a post office, such as buying stamps, checking a PO box, and sending a letter. This book's easy-to-follow narrative makes it perfect for beginning readers. A photo glossary offers new vocabulary, while a website link page suggests routes to more information.

When her mother was worn out from caring for her five sisters, her father gave her lessons in brushwork and color. When polio kept her bedridden for nine months, drawing saved her from boredom. When a bus accident left her in unimaginable agony, her paintings expressed her pain and depression - and eventually, her joys and her loves. Over and over again, Frida Kahlo turned the challenges of her life into art. Now Jonah Winter and Ana Juan have drawn on both the art and the life to create a playful, insightful tribute to one of the twentieth century's most influential artists. Viva Frida!

A STEM-focused addition to the #1 New York Times bestselling She Persisted series! Now available in Spanish! A lo largo de la historia, a las mujeres les han dicho que la ciencia no es para ellas porque no son suficientemente inteligentes, o porque sus cerebros simplemente no son capaces de ese tipo de estudio. En este libro, Chelsea Clinton nos presenta a varias mujeres científicas que no prestaron atención a los que les dijeron que no y optaron por utilizar su ingenio, sus habilidades y su persistencia para descubrir, inventar, crear y explicar. Ella persistió en la ciencia es un libro...

- Tintin is a world famous series with 75 years of staying power! The series' enduring popularity is evident from its elaborate website (www.tintin.com) that offers Tintin news and information in five different languages. The news section of the site indicates that in addition the ongoing publication of new books about the series and about the author's life, Tintin art exhibitions and theatrical adaptations continue worldwide. The site also includes a list of retailers who carry Tintin products, and its own online store which offers a generous helping of books, apparel, accessories, toys,...