Experimentos sorprendentes con la luz

In AD 79, the residents of the booming Roman city of Pompeii were shocked when a nearby mountain exploded, releasing superhot ash, rock, and gas on the surrounding areas. What happens next is the extraordinary account of a volcano in action. Though the people who didn't flee Pompeii were doomed, the volcano preserved their remains, allowing us to better understand a fascinating time in the Roman Empire. Astonishing photographs of Pompeii, primary source records of the occurrence, and riveting text are just some highlights of this high-interest volume.

Provides encouragement and advice for facing life's challenges, just for girls, with blank spaces to fill in goals and accomplishments.

En medio de una gran expectación, la Feria de los Horrores por fin ha llegado. Como todos los habitantes de Pueblo, Willy y Vegetta acuden a ella acompañados de sus mascotas, dispuestos a disfrutar de un día extraordinario. Extrañas criaturas se exponen en sus barracas y atracciones terroríficas atraen a los visitantes. En uno de los puestos, nuestros amigos ganarán un premio muy original, un antiguo espejo de mano que contiene una inscripción misteriosa. Tan exótica pieza desencadenará una nueva aventura, en la que encontraremos una bruja, algunos monstruos y un fantasma de buen...

After several military accomplishments, Mirabeau B. Lamar entered the world of Texas politics. Elected president in 1838, Lamar faced a host of problems with mixed success. His advocacy for education laid the framework for public education in Texas.