- E-bookHDR projects COACHGerhard Middendorf
- E-bookBLACK & WHITE projects 6 COACHGerhard Middendorf
- E-bookSHARPEN projects 2018 COACHGerhard Middendorf
- E-bookHDR projects 2018 COACHGerhard Middendorf
- E-bookDENOISE projects 2 COACHGerhard Middendorf
- E-bookCOLOR projects 6 COACHGerhard Middendorf
- E-bookSéries: CoachMichael Gradias