- AudiolivroMurder in AmericaJohn Breen
- AudiolivroCitadels Under AttackAlex Raymond
- AudiolivroForces from the FederationAlex Raymond
- AudiolivroCitadels on EarthAlex Raymond
- AudiolivroCrisis on Citadel IIAlex Raymond
- AudiolivroWar of the CitadelsAlex Raymond
- AudiolivroMassacre in the 22nd CenturyAlex Raymond
- AudiolivroSéries: Flash GordonAlex Raymond
- AudiolivroMurder on the AisleMary Clark