Guardacostas de la Guardia Costera de EE. UU.

Describes the U.S. Army Rangers, including their missions, vehicles, weapons, equipment, and duties. Written in English and Spanish.

Provides an overview of the design, uses, weapons, and equipment of U.S. Air Force bombers. Written in English and Spanish.

Describes the U.S. Air Force Thunderbirds, including their planes, the maneuvers at their air shows, and team member duties. Written in English and Spanish.

Mysterious ancient ruins, hidden deep in the jungle of southern Mexico In May 1840, explorers John Stephens and Frederick Catherwood road their mules along a steep, muddy jungle path. They were hoping to find the ruins of an ancient, deserted site in Mexico they knew only from visitors’ accounts. Through the trees, they spied the remains of a crumbling stone palace. Palenque! In the weeks they spent there, the men discovered intricately designed buildings and mysterious glyphs, or symbols. Who built this city? What did the glyphs mean? The questions remained largely unanswered until the...

How are crayons made? Clear wax is melted in a factory. Once it's melted, color is added to it, it is poured into crayon-shaped molds, cooled, and wrapped in a paper label. Sorted into sets, the brightly colored crayons are boxed and sent in trucks to stores to be sold to you.

Explains the study and teaching of the martial arts, emphasizing the philosophical aspects of this sport.

¿Cuándo es el Día de Año Nuevo? ¿Qué son resoluciones? ¿Cómo celebra la gente? Las fotografias llenas de color, los diagramas y el texto cuidadosamente organizado en niveles ayudan a captar la atención de los lectores al mismo tiempo que los ayudan a entender esta emocionante celebración. Las preguntas de pensamiento crítico a nivel apropiado ayudan a desarrollar habilidades de lectura de textos informativos. When is New Year's Day? What are resolutions? And how do people celebrate? Full-color photographs, diagrams, and carefully leveled text will engage readers while helping them...