THE MATT HELM SERIES
DEATH OF A CITIZEN ...................................... 1960
THE WRECKING CREW ....................................... 1960
THE REMOVERS ............................................ 1961
THE SILENCERS ........................................... 1962
MURDERER'S ROW .......................................... 1962
THE AMBUSHERS ........................................... 1963
THE SHADOWERS ........................................... 1964
THE RAVAGERS ............................................ 1964
THE DEVASTATORS ......................................... 1965
THE BETRAYERS ........................................... 1966
THE MENACERS ............................................ 1968
THE INTERLOPERS ......................................... 1969
THE INTIMIDATORS ........................................ 1974
THE TERMINATORS ......................................... 1975
THE RETALIATORS ......................................... 1976
THE TERRORIZERS ......................................... 1977
THE REVENGERS ........................................... 1982
THE ANNIHILATORS ........................................ 1983
THE INFILTRATORS ........................................ 1984
THE POISONERS ........................................... 1984
THE DETONATORS .......................................... 1985
THE VANISHERS ........................................... 1986
THE DEMOLISHERS ......................................... 1987
THE FRIGHTENERS ......................................... 1989
THE THREATENERS ......................................... 1992
THE DAMAGERS ............................................ 1993