Gregor the Overlander (Underland Chronicles #1) by Suzanne Collins (2003)

Middle Grade Fiction | Fantasy
Blurb:
“This irresistible first novel tells the story of a quiet boy who embarks on a dangerous quest in order to fulfill his destiny — and find his father — in a strange world beneath New York City.
When Gregor falls through a grate in the laundry room of his apartment building, he hurtles into the dark Underland, where spiders, rats, cockroaches coexist uneasily with humans. This world is on the brink of war, and Gregor’s arrival is no accident. A prophecy foretells that Continue reading
