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- E-bookThe Overlord ProtocolMark Walden
- E-bookZero HourMark Walden
- E-bookEscape VelocityMark Walden
- E-bookDreadnoughtMark Walden
- E-bookRogueMark Walden
- E-bookAftershockMark Walden
- E-bookDeadlockMark Walden
- E-bookBloodlineMark Walden
- E-bookEarthfallMark Walden
- E-bookRetributionMark Walden
- E-bookRedemptionMark Walden
- E-bookSéries: The Earthfall TrilogyMark Walden
- E-bookSéries: H.I.V.E.Mark Walden