- Series: The Gordian Protocol / Gordian Division Series Record # 60517
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Note: Starting with the third book, the series name appeared as "Gordian Division" on the cover of the books.
- Series Tags: time travel (3), alternate history (2)
- The Gordian Protocol / Gordian Division
- 1 The Gordian Protocol (2019) by Jacob Holo and David Weber
- 2 The Valkyrie Protocol (2020) by Jacob Holo and David Weber
- 3 The Janus File (2022) by Jacob Holo and David Weber
- 4 The Weltall File (2023) by Jacob Holo and David Weber
- 5 The Dyson File (2023) by Jacob Holo
- The Valkyre Protocol (excerpt) (2020) [SF] by Jacob Holo and David Weber
- Doctor Quiet (2022) [SF] by Jacob Holo
- Background of Exotic Places (The Janus File) (2022) [SF] by Jacob Holo and David Weber