The Underland Chronicles

The Underland Chronicles is a series of five fantasy novels by Suzanne Collins that follows the journey of a boy named Gregor as he discovers a hidden underground world called the Underland. This subterranean realm exists beneath our world and is inhabited by humans and mysterious creatures like rats, spiders, and bats. Throughout the series, Gregor becomes involved in conflicts and quests to protect both the Underland and the surface world. The series explores themes of bravery, responsibility, and the interconnectedness of different worlds, blending adventure with deeper moral and ecological lessons.