| Title | Year | Series |
| Hot Water | 1990 | Peter Bartholomew |
| Under Water | 1992 | Peter Bartholomew |
| Ice Water | 1993 | Peter Bartholomew |
| Rough Water | 1994 | Peter Bartholomew |
| Troubled Water | 1994 | Peter Bartholomew |
| Still Water | 1995 | Peter Bartholomew |
| Deep Water | 1996 | Peter Bartholomew |
| Muddy Water | 1997 | Peter Bartholomew |
| Murder, They Wrote | 1997 | |
| Dirty Water | 1998 | Peter Bartholomew |
| Fire Water | 1999 | Peter Bartholomew |
| The Widow's War | 2006 |