- AudiobookGray RetributionAlan McDermott
- AudiobookGray VengeanceAlan McDermott
- AudiobookGray SalvationAlan McDermott
- AudiobookGray RedemptionAlan McDermott
- AudiobookGray GenesisAlan McDermott
- AudiobookGray ResurrectionAlan McDermott
- AudiobookGray JusticeAlan McDermott
- AudiobookTrojanAlan McDermott
- AudiobookThe Sokolov AgendaAlan McDermott
- AudiobookMotiveAlan McDermott
- AudiobookSeries: Tom GrayAlan McDermott