




The Underland Chronicles
5 books
The Underland Chronicles series by Suzanne Collins has 5 books. Start with Gregor the Overlander (2003), then read the rest in the order below.
The Underland Chronicles reading order

Gregor the Overlander
Suzanne Collins
Gregor's ordinary life takes an extraordinary turn when he tumbles through a grate and lands in the mysterious Underland. This subterranean world, teeming with giant creatures and a hidden human civilization, is on the precipice of a devastating war. Gregor soon discovers his arrival is not a mere accident, but a prophecy foretelling his crucial role in the unfolding conflict. He must navigate this dangerous new reality, confronting his fears and discovering his own courage as he becomes entangled in the fate of the Underland.

Gregor and the Prophecy of Bane
Suzanne Collins
When his younger sister is snatched and dragged into the mysterious Underground, Gregor's promise to never return is shattered. Driven by a desperate need to find her, he embarks on a perilous quest to locate the formidable rat known as Bane. Aided by his loyal bat companion, Ares, and the resourceful Princess Luxa, Gregor must navigate the treacherous depths of this hidden world. This thrilling adventure delves into themes of courage, loyalty, and the unexpected bonds that form in the face of danger.

Gregor and the Curse of the Warmbloods
Suzanne Collins
Gregor returns to the Underland to face a new and terrifying threat: a deadly plague that is rapidly spreading through the subterranean world. As the disease decimates the population, Gregor must race against time to uncover its source and find a cure before it's too late for everyone he cares about. This thrilling adventure delves into themes of sacrifice, leadership, and the delicate balance of nature, as Gregor confronts the consequences of past conflicts and the difficult choices that lie ahead. Suzanne Collins masterfully weaves a tale of courage and resilience in the face of overwhelming odds, solidifying Gregor's role as a reluctant hero in a world teetering on the brink of disaster.

Gregor and the Marks of Secret
Suzanne Collins
Gregor's journey into the Underland takes a perilous turn as he uncovers a prophecy that places him at the center of a brewing conflict. Alongside his allies, Princess Luxa and the wise rat Ripred, Gregor must confront a formidable threat to both the Underlanders and the gentle Nibblers. This thrilling adventure delves into themes of courage, destiny, and the difficult choices faced when protecting those you care about. Prepare for a high-stakes battle where Gregor's bravery will be tested like never before.

Gregor and the Code of Claw
Suzanne Collins
In the Underland, a hidden world beneath New York City, Gregor discovers a prophecy that speaks of his own demise. As war looms between the humans and the giant, intelligent creatures of the Underland, Gregor must confront not only an external enemy but also his own inner turmoil. He is tasked with defending the Underland from a formidable rat army, ensuring his family's safe return to the surface, and battling the darkness within himself. This thrilling adventure explores themes of courage, destiny, and the struggle against one's own nature.