Boundary: Boundary Series, Book 1 (Unabridged)
2025년
Threshold: Boundary, Book 2 (Unabridged)
2025년
Portal: Boundary, Book 3 (Unabridged)
2025년
Castaway Planet: Boundary, Book 4 (Unabridged)
2015년
Castaway Odyssey: Boundary, Book 5 (Unabridged)
2016년
Phoenix Rising: Phoenix, Book 1 (Unabridged)
2023년