The Poisoners Author:Donald Hamilton Matt Helm Adventure. Mission #13. This one was murder from the start. A lovely red haired lass whose amateur standing as a secret agent had been cut short by some very professional killers. The strange part was she wasn't even on assignment. Nobody had a clue as to what she'd found. But obviously she'd found something very big and very bad. Too ... more »much for her, but just the right size for Matt Helm« less