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Navigation instruments have changed over time. Lodestones, sunstones, and sextants helped early navigators find their way. Modern technology makes navigation more precise than it has ever been. But the roots of navigation still remain. Created in collaboration with the Smithsonian Institution, this Smithsonian Informational Text builds students' reading skills while engaging their curiosity about STEAM topics through real-world examples. It features a hands-on STEAM challenge that guides students through every step of the engineering design process and is perfect for makerspace activities. It ...

This book describes dump trucks called off-highway trucks, explaining their operating equipment and dumping beds, fuel, and jobs.

Which things move slowly? Read this book to find out about how and why things move slowly. Books in this series introduce children to simple forces. Each book uses simple, repetitive text to teach children basic vocabulary, and includes stunning photographs that show how different forces are at work in the world around us. In Slow, children learn about things that commonly move slowly, how pushes and pulls can make something move slowly, and how some things are slower than others.

Una edición actualizada de uno de los manuales de autoayuda más reconocidos, con información inédita y exclusiva. Esta es una guía para empoderar a una nueva generación de chicas. El libro Cómo ganar amigos e influir sobre las personas es un clásico en mayúsculas de la literatura sobre autoayuda, que todavía a día de hoy sigue vendiendo más de 200 ejemplares a la semana. Esta nueva edición es una relectura del clásico con una perspectiva moderna y actual dirigida a las chicas y mujeres de hoy en día; un libro con todas las claves para conocer y entender a los otros a través...