Daughter of Darkness

1996

Painkiller

1990

Before I Wake

1992

Lords of Light

1999

Rulers of Darkness

1995

The Genesis Shield

1985

Krimikätzchen

Spannende Katzengeschichten

2014

Keepers of the Gate

1977

The Paradox Planet

1988

The Psychopath Plague

1978

The Imperator Plot

1983