Donald Hamilton

The Intriguers, first published in 1972, was the fourteenth novel in the Matt Helm spy series by Donald Hamilton.

The Terminators by Donald Hamilton is a spy novel first published in April 1975. It was the sixteenth episode in the Matt Helm series and was the first of the Helm books to portray him, on its cover, as a long-haired, side-burned citizen of the 1970s. This image was subsequently used for reprinted editions of a number …

The Terrorizers was the eighteenth novel in the Matt Helm secret agent novel series by Donald Hamilton. It was first published in 1977. Following the publication of this book, Hamilton put his longtime character on hiatus; the next Matt Helm novel, The Revengers, would not be published until 1982. This novel was …

The Threateners is the title of a spy novel by Donald Hamilton first published in 1992. It was the twenty-sixth installment of the Matt Helm series, and saw the return of the character after a three-year hiatus.