The Green Rust (Unabriged‪)‬

What seems at first sight to be just another murder mystery is quickly revealed to be of international importance. Bio-terrorists threaten the release of an agent that will destroy the world's corn crops, but an intrepid detective and a damsel in distress struggle to thwart their plans. A good old-fashioned page-turner, "The Green Rust" is an exciting thriller from Edgar Wallace.