Planet Urth: Planet Urth Series Book 1 (Unabridged)
2016
The Savage Lands: Planet Urth, Book 2 (Unabridged)
2024
Planet Urth: The Underground City: Planet Urth Series, Book 3 (Unabridged)
2024
Planet Urth: The Rise of Azlyn: Planet Urth Series, Book 4 (Unabridged)
2016
Planet Urth: Remains of Urth: Book 7 (Unabridged)
2018
Planet Urth: The Fate of Urth: Planet Urth, Book 5 (Unabridged)
2024