Nikolski

We use machines every day, but most of us don't understand how they work. When they break down, most of us have no idea how to fix them. Mechanics are the masters of machines. Readers learn that mechanics work on vehicles, including cars, boats, and buses. They use special tools to take them apart and fix what's wrong, and they use their experience and technology to diagnose problems. They often work long hours, sometimes in bad weather, to get us where we need to go. Your readers will see that mechanics keep our world moving and growing.

El fuego también purifica. La ausencia llena de luz la oscuridad de los recuerdos. Esa flama que ilumina el insomnio cuando ardo en silencio bajo la sábana. Calienta menos el amor que el desconsuelo. La combustión de la pérdida prende tanto el deseo, como los carbones que deja el relámpago después del miedo. En mi jardín de piedras, fui necio jardinero que aprendió a nombrar la noche, palpando las espinas del tiempo. Fue el incendio de las rosas el que me hizo elegir el fuego. R. N.

Explains the importance of the skeleton in overall health, and describes how to keep the structure healthy.

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...