Rock climbers use every muscle in their body to inch their way to the top of cliffs and mountains. Some, more adventurous climbers do not even use a rope. Readers explore different kinds of rock climbing, both indoors and out. They learn about gear and methods that rock-climbing teams implement to complete a climb successfully. A graphic organizer explains how different climbing surfaces are rated according to their level of difficulty. The photographs that accompany the text inspire and engage readers at all levels.