Books

Departure Departure
2015
Onward, Voyager Onward, Voyager
2015
Bart Ridgeley Bart Ridgeley
2004
Bart Ridgeley / A Story of Northern Ohio Bart Ridgeley / A Story of Northern Ohio
2017
Pandemie - Die Extinction-Serie 1 Pandemie - Die Extinction-Serie 1
2019
Genom  - Die Extinction-Serie 2 Genom  - Die Extinction-Serie 2
2020

Audiobooks

The Atlantis Plague: The Origin Mystery, Book 2 (Unabridged) The Atlantis Plague: The Origin Mystery, Book 2 (Unabridged)
2014
Pandemic: The Extinction Files, Book 1 (Unabridged) Pandemic: The Extinction Files, Book 1 (Unabridged)
2017
Genome: The Extinction Files, Book 2 (Unabridged) Genome: The Extinction Files, Book 2 (Unabridged)
2018
Genom  - Die Extinction-Serie 2 Genom  - Die Extinction-Serie 2
2020
Pandemie - Die Extinction-Serie 1 Pandemie - Die Extinction-Serie 1
2019
Genom: Extinction 2 Genom: Extinction 2
2020