Battallions of fear

(1988)

Follow the blind

(1989)

Tales from the Twilight world

(1990)

Somewhere far beyond

(1992)

Tokyo tales

(1993)

Imaginations from the other side

(1995)

The forgotten tales

(1996)

Nightfall in Middle-Earth

(1998)

A night at the opera

(2002)

Live

(2003)

A twist in the myth

(2006)

At the edge of time

(2010)

Memories of a time to come

(2012)

A traveler's guide to space and time

(2013)

The God machine

(2022)