Black Mountain - Alex Hunter Book 4 (Unabridged)
2012
To the Center of the Earth - Center of the Earth Book 1 (Unabridged)
2020
Beneath The Dark Ice - Alex Hunter Book 1 (Unabridged)
2011
Abyss - Cate Granger Book 2 (Unabridged)
2018
Primordia: In Search of the Lost World - Primordia Book 1 (Unabridged)
2018
The Dark Side - Alex Hunter Book 9 (Unabridged)
2021