The Revenger by Jon Messmann

Murder Today, Money Tomorrow by Jon Messmann (1973, Paperback) Sf3

Phone Call from a Ghost by Daniel Cohen, Pocket Books, 1990s Paperback

THE DARK MILL by Claudette Nicole (Jon Messmann) 1972 Gothic Paperback

Murder Today, Money Tomorrow by Jon Messmann (1973, Paperback)

Handyman #6: The Inheritors by Jon Messmann (1975, Paperback)

The Swiss Secret by Jon Messmann (1974, Paperback)

Trailsman 191 by Sharpe, Jon; Messmann, Jon