Douglas Abrams

Het boek van vreugde

The Multi-Orgasmic Man

Het boek van hoop

The Multi-Orgasmic Couple

The Man's Guide to Women

The Book of Hope

The Man's Guide to Women: Scientifically Proven Secrets from the "Love Lab" About What Women Really Want  (Unabridged)

The Book of Hope

The Book of Hope

The Multi-Orgasmic Man

The Multi-Orgasmic Couple

Das Buch der Hoffnung