Die 24 Gesetze der Verführung. Ein Joost- Elffers- BuchRobert Greene · First published 2002Open the Tome
Las 48 leyes del poderRobert Greene / Joost Elffers, Ana Bustelo, César Vidal · First published 2012Open the Tome
The Art of SeductionRobert Greene, Joost Elffers, Robert Greene / Joost Elffers · First published 2001Open the Tome
The Secret Language of BirthdaysGary Goldschneider, Joost Elffers · First published 1992Open the Tome
