- EbookHDR projects COACHGerhard Middendorf
- EbookBLACK & WHITE projects 6 COACHGerhard Middendorf
- EbookSHARPEN projects 2018 COACHGerhard Middendorf
- EbookHDR projects 2018 COACHGerhard Middendorf
- EbookDENOISE projects 2 COACHGerhard Middendorf
- EbookCOLOR projects 6 COACHGerhard Middendorf
- EbookSeries: CoachMichael Gradias