¿dónde Crece El Dinero? / Where Does Money Grow?

José Martí was barely 16 years old when he began to fight for the independence of his homeland through his writing. At 17 he was declared an enemy of Spain and sentenced to six years of prison and hard labor. But that did not stop him. Martí dedicated his life to defending Cuba's right to independence. Today he is remembered and honored as a man of integrity--brilliant and courageous--and as a lover of freedom and peace.

Join the children in this book on a trip to the dentist. Going to the dentist can be fun, especially if you use addition to help you find answers to questions like these: How many teeth do you have? How many times should you floss your teeth each week? Make your next trip to the dentist an adventure with addition.

Hurricanes plague the tropics from June through November. Some years bring just a handful of storms. Other years, meteorologists run out of names because there are so many. In this Spanish title, readers learn how and where these storms form and the dangers they pose to the land and people who live in Gulf and Atlantic coast regions.

Para jóvenes lectores que además ejercen de espías, detectives, conspiradores y aventureros, este libro presenta todo tipo de sistemas, de lenguajes y de ingenios para crear y ocultar mensajes secretos. Desde las órdenes cifradas de Julio César, hasta el extraño mensaje en clave que escribió el hombre de la máscara de hierro, el código que utilizó Sherlock Holmes o la fabricación de tinta invisible, con ejercicios prácticos y un diploma acreditativo.