Mujeres en las fuerzas armadas (Women in the Military)

As a land that’s constantly in flux, Earth sometimes reveals clues about the plants, animals, and other organisms that lived long ago. Fossils teach us much about what life was like millions of years ago, answering the questions of how Earth changed and maybe even why it changed. This essential Earth science topic is thoroughly explained through manageable text, fact boxes, informational charts and diagrams, and a glossary and index. Readers will become young Earth detectives by the time they’re through with this text!

El gran poeta Antonio Machado (1875-1939) dedicó muchos de sus versos a los días azules de su infancia andaluza y al sol de los campos de Castilla, tan enamorado como estaba de la naturaleza. Fue además maestro en tierras de Soria, Baeza, Segovia y Madrid

Children often assume that being fair means that everyone gets the same number of cookies, but at the heart of fairness is consideration, respect, and caring for others. Your readers will encounter real-life situations in which young people figure out how to act fairly. They'll meet Ben and Jane who are playing on the swings at recess while other children wait to use the swings. What is the fair thing to do? Each spread consists of one of these relatable scenarios along with a full-color photograph. Fun, accessible text encourages readers to consider how they treat others as they discover...

El viaje de Colón es en realidad la gran aventura de un marino. Un hombre que pidió ayuda a unos reyes muy ricos para adentrarse en un inmenso y desconocido océano lleno de peligros y tempestades en busca de las Indias, pero que terminó llegando a una preciosa tierra hasta entonces desconocida para los europeos a la que llamamos América. De esta forma, su viaje se convierte en una verdadera aventura de marinos. Una verdadera historia de héroes que luchan contra los elementos para realizar una hazaña escrita con letras de oro en los libros de historia de la humanidad.

The need for speed is the motivating factor in this engaging, Spanish book. Readers learn the history of travel from the very slow to the supersonic and beyond, including everything in between. They learn and discover the factors that influence motion for all types of vehicles: land, air, and water alike. They also learn different ways to measure speed and read about energy uses for different vehicles. With greater speed comes greater risk. Readers learn how engineers are always seeking new and better ways to keep people safe as they travel faster and go farther. This 6-Pack includes six...