The Maze Runner - by James Dashner (1st Book)

Paperback. The Maze Runner is about a teenage boy named Thomas who wakes up in a mysterious Glade with no memory of his past, surrounded by a group of other teenage boys. The group lives in a society with its own rules and are trapped inside a deadly maze that changes each night. When Thomas decides to become a "Runner" to explore the maze for an exit, he and the others must race against time to find a way out and escape the mechanical creatures, called Grievers, that hunt within it.