- HörbuchMarcus Douglas Presents The Cycle of CompletionMarcus Douglas
- HörbuchSerien: Into the Eyes of DarknessMarcus Douglas
- HörbuchMarcus Douglas Presenta Miles "Lucky" Clifford aka Samson parte 1Marcus Douglas
- HörbuchMarcus Douglas Presents The Jenkins FamilyMarcus Douglas
- HörbuchMarcus Douglas Presents Miles Lucky Clifford short story Untethered ConnectionMarcus Douglas
- HörbuchMarcus Douglas Presents Miles "Lucky" Clifford aka Samson part 1Marcus Douglas