Beneath The Dark Ice - Alex Hunter Book 1 (Unabridged)
2011
To the Center of the Earth - Center of the Earth Book 1 (Unabridged)
2020
Black Mountain - Alex Hunter Book 4 (Unabridged)
2012
Gorgon - Alex Hunter Book 5 (Unabridged)
2014
From Hell - Alex Hunter Book 8 (Unabridged)
2019
Primordia: In Search of the Lost World - Primordia Book 1 (Unabridged)
2018