Educación para la ciudadanía

When President Thomas Jefferson bought the Louisiana Territory from cash-strapped France in 1803, he doubled the size of the United States without really knowing what he was getting. He dispatched Meriwether Lewis and William Clark and their Corps of Discovery to explore a territory that would include part or all of fifteen future states and to seek a water route to the West Coast. Westward expansion began immediately, all for the bargain price of 15 million dollars. This book richly explores this fascinating part of history.

Garrapata, hombre barrigudo y con una pata de palo, es el terror de los ciudadanos de Londres, aunque por dentro es una buena persona. Un día le proponen que capitanee un barco pirata y no se lo piensa... se ha transformado en el Pirata Garrapata. ¿Qué divertidas peripecias le esperarán en el futuro? Original historia sobre un pirata gruñón que hará disfrutar con sus aventuras y viajes.

A stinky look at the history of personal hygiene reveals fascinating facts, such as the invention of the toilet, how many times Queen Elizabeth I had a bath, how the first sewers were built, and much more.

When rocks change because of environmental conditions, the new rocks are called metamorphic rocks. A rock's chemical or physical makeup may change because of conditions such as temperature, stress, or pressure. Your readers will learn fascinating facts including where metamorphic rocks are most commonly found, the different types of metamorphism, and how metamorphic rocks are identified. Full-color photographs depict these rocks in nature. A helpful graphic organizer shows how these fascinating rocks form.