- AudiobookHistorical Psycho Thriller Series, A - The Sigmund Freud Files, Episode 1Heiko Martens
- AudiobookA Historical Psycho Thriller Series - The Sigmund Freud Files, Episode 5Heiko Martens
- AudiobookHateloveHeiko Martens
- AudiobookLurchis Abenteuer, Die GeisterweideHeiko Martens
- AudiobookA Historical Psycho Thriller Series - The Sigmund Freud Files, Episode 6Heiko Martens
- AudiobookLurchis Abenteuer, Das selbstfahrende AutoHeiko Martens
- AudiobookLurchis Abenteuer, Bei den KieselzwergenHeiko Martens
- AudiobookHistorical Psycho Thriller Series, A - The Sigmund Freud Files, Episode 3Heiko Martens
- AudiobookHistorical Psycho Thriller Series, A - The Sigmund Freud Files, Episode 4Heiko Martens
- AudiobookA Historical Psycho Thriller Series - The Sigmund Freud Files, Episode 8Heiko Martens
- AudiobookHistorical Psycho Thriller Series, A - The Sigmund Freud Files, Episode 2Heiko Martens