Conoce a Gabriela Mistral

A foundered Victorian ship looking for the fabled Northwest Passage holds a secret in its icy grave... When Dirk Pitt of NUMAr is almost blown to pieces in a lab explosion, he suspects sabotage. The lab in question belongs to a scientist hoping to use a rare mineral to combat greenhouse gases - but who would want to destroy our one chance to save the planet? However, there are those who will do anything to control such a valuable prize. Pitt's investigations take him to the Arctic in search of a clue to the origins of this precious mineral. There he and NUMAr colleague Al Giordino must battle ...

People today refer to the Midwestern and prairie states as flyover country. During the Civil War, crossing those areas was the biggest obstacle in uniting the East and West Coasts of our divided nation. An act of Congress in 1862 authorized the Central Pacific and the Union Pacific railroad companies to build a railroad that would link the coasts. Seven years later, on May 10, 1869, an overwhelmingly immigrant labor force completed the task when a rail line was join in Promontory, Utah. The states had become united at last.

Los juegos con el lenguaje, propios de la literatura oral, alcanzan su esplendor en aquellas manifestaciones vinculadas al humor.

Tome un viaje a México y mira por que este país es especial. Este texto ayuda a los lectores a aprender sobre la comida, los animales y la cultura de México. Las fotografías de color y las preguntas de pensamiento crítico completan esta divertida mirada a las personas y lugares de México. Take a trip to Mexico and find out what makes this country special. Now in Spanish, this carefully leveled text helps readers learn about the food, animals, and culture of Mexico. Full-color photographs and age-appropriate critical thinking questions round out this fun look at the people and places of...