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.

Una col·lecció de llibres amb trencaclosques i un joguet mecànic. La granja, el mar, el jardí i la jungla són escenaris que amaguen una pila d'animals; els protagonistes d'aquests llibres estan encuriosits per descobrir-los. Per fer el camí tantes vegades com calgui.

Have you ever wondered where inventors get some of their ideas? This answer may surprise you: sometimes the inspiration comes from plants! Learn how some tiny plants have made a huge difference in the world.

Toda antología comienza presentando un cúmulo de explicaciones y de justificaciones que pretenden dar debida cuenta no sólo de su intención, sino que también expone un razonamiento argumentado y lógico -aunque a veces esta lógica se fundamenta, en parte, en criterios que poseen un carácter inevitablemente subjetivo- que intenta cubrirse las espaldas ante ese posible tirón de orejas que suele aparecer tras su publicación. Sin ánimo de crear malentendidos ni de suscitar equívocos, Lunas de la voz ausente persigue ser ante todo, y antes que nada, una antología poética que muestre...

For many years, people believed there were nine planets that orbited the sun. Now we say there are eight. What happened to the ninth planet, Pluto? What are the different planets like? What exactly makes a planet a planet? These are the many intriguing questions answered with this high-interest book, crafted to be accessible for readers of all levels. Young astronomers will be especially fascinated by the stunning photographs and the "Make the Grade" fact boxes.