- Allen, Roger MacBride (2)
- Ludlum, Robert (2)
- Moon, Elizabeth (2)
- Pressfield, Steven (2)
- Saberhagen, Fred (2)
- Ambrose, David <1943- > (1)
- Banks, Iain M. (1)
- Brookmyre, Christopher (1)
- McIntyre, Vonda N. (1)
- Perry, Steve (1)
- Williamson, Jack (1)
- Wilson, Robert <1957- > (1)