Gregor the Overlander

"Gregor the Overlander" is the first book in a fantasy series by Suzanne Collins. It follows Gregor, a young boy who falls into a hidden subterranean world beneath New York City called the Underland. There, he encounters various humanoid and creature species and learns of a foretold prophecy involving his family’s safety. Throughout his journey, Gregor faces dangerous challenges, uncovers his own courage, and discovers he has a special role in the Underland’s future. The story combines adventure, mythology, and themes of bravery, Responsibility, and self-discovery.