Beneath The Dark Ice - Alex Hunter Book 1 (Unabridged)
2011
The Silurian Bridge - Alex Hunter Book 11 (Unabridged)
2024
To the Center of the Earth - Center of the Earth Book 1 (Unabridged)
2020
Primordia: In Search of the Lost World - Primordia Book 1 (Unabridged)
2018
Primordia III: The Lost World – ReEvolution - Primordia Book 3 (Unabridged)
2019
Primordia II: Return to the Lost World - Primordia Book 2 (Unabridged)
2019