Beck, K. K., Chars: Iris Cooper and Jack Clancy, first appearance: Death in a Deck Chair, 1984.
--Seascape, 1992. (Sisters in Crime V, 1992.)
Block, Lawrence, Char: Bernie Rhodenbarr, first appearance: Cosmopolitan, May, 1983.
--Like a Thief first appearance: the Night, 1983. (Cosmopolitan, May, 1983; Sometimes They Bite, 1983.)
Brett, Simon, Char: Charles Paris, first appearance: Cast, In Order of Disappearance, 1976.
--The Haunted Actress, 1985. (A Box of Tricks, 1985; Tickled to Death, 1985.)
Cannell, Dorothy, Char: Ellie Haskell, first appearance: The Thin Woman, 1984.
--The January Sale Stowaway, 1991. (Christmas Stalkings, 1991.)
Cross, Amanda, (Carolyn G. Heilbrun)Char: Kate Fansler, first appearance: In the Last Analysis, 1964.
--Once Upon a Time, 1987. (Ellery Queen, August, 1987.)
D'Amato, Barbara, Char: Cat Marsala, first appearance: Hardball, 1990.
--See No Evil, 1996. (I, P.I., 1996.)
Douglas, Carole Nelson, Char: Irene Adler, first appearance: Good Night, Mr. Holmes, 1990.
--Parris Green, 1993. (Malice Domestic 2, 1993.)
Dunlap, Susan, Char: Jill Smith, first appearance: Karma, 1984.
--Hit-and-Run, 1986. (Great Modern Police Stories, 1986.)
Hart, Carolyn G., Char: Henrie O., first appearance: Invitation to a Murder, 1991.
--None of My Business, But ..., 1991. (Invitation to a Murder, 1991.)
Hess, Joan, Char: Claire Malloy, first appearance: Strangled Prose, 1986.
--Dead on Arrival, 1991. (Invitation to a Murder, 1991.)
Hoch, Edward D., Char: Nick Velvet, first appearance: Ellery Queen, September, 1966.
--The Theft of the Clouded Tiger, 1966. (Ellery Queen, September, 1966.)
Maron, Margaret, Char: Deborah Knott, first appearance: A Woman's Eye, 1991.
--Deborah's Judgment, 1991. * (A Woman's Eye, 1991.)
McCrumb, Sharyn, Char: Spencer Arrowood, first appearance: If Ever I Return, Pretty Peggy-O, 1991.
--Old Rattler, 1994. (Partners in Crime, 1994.)
Nevins, Francis M., Jr., Char: Loren Mensing, first appearance: Ellery Queen, September, 1972.
--After the Twelfth Chapter, 1972. (Ellery Queen, September, 1972.)
Robinson, Peter, Char: Alan Banks, first appearance: Gallow's View, 1987.
--Anna Said, 1992. (Cold Blood IV, 1992.)