The Valkyrie Protocol: The Gordian Protocol, Book 2 (Unabridged) Other Books in This Series

The Janus File (Gordian Division)

2024

The Weltall File (Gordian Division)

2024

The Dyson File (Gordian Division)

2025

The Thermopylae Protocol (Gordian Division)

2025

The Gordian Protocol: The Gordian Protocol, Book 1 (Unabridged)

2019