Matthew J. Costello

Books
The Artifact The Artifact
The Artifact
2016
Beneath Still Waters Beneath Still Waters
Beneath Still Waters
1989

Audiobooks
Day of the Snake: Time Warrior, Book 3 (Unabridged) Day of the Snake: Time Warrior, Book 3 (Unabridged)
Day of the Snake: Time Warrior, Book 3 (Unabridged)
2025
Hour of the Scorpion: Time Warrior, Book 2 (Unabridged) Hour of the Scorpion: Time Warrior, Book 2 (Unabridged)
Hour of the Scorpion: Time Warrior, Book 2 (Unabridged)
2013
Time of the Fox: Time Warrior, Book 1 (Unabridged) Time of the Fox: Time Warrior, Book 1 (Unabridged)
Time of the Fox: Time Warrior, Book 1 (Unabridged)
2013