- E-bookObit DelayedHelen Nielsen
- E-bookA Killer in the StreetHelen Nielsen
- E-bookDead on the LevelHelen Nielsen
- E-bookDarkest HourHelen Nielsen
- E-bookThe Brink of MurderHelen Nielsen
- E-bookThe Severed KeyHelen Nielsen
- E-bookAfter MidnightHelen Nielsen
- E-bookDetour to DeathHelen Nielsen
- E-bookShot on LocationHelen Nielsen
- E-bookThe Crime is MurderHelen Nielsen
- E-bookVerdict SuspendedHelen Nielsen
- E-bookStranger in the DarkHelen Nielsen