Presents an introduction to astronauts and tells what it is like to travel and work on the space shuttle.

This book gives a simple description of what a police officer does, including helping people, stopping people who break the law, and directing traffic.

Discusses the work done by astronauts, the equipment used, training required, and what an astronaut's day is like. Discuye el trabajo hecho por un astronauta, el equipo que usan, entrenamiento requerido, y cómo es el día de un astronauta.