Wallace is widely regarded as a pioneer of the modern thriller genre. His breakout work, The Four Just Men (1905), established his reputation for fast-paced crime fiction. Other notable works include the African adventure series Sanders of the River, the detective stories featuring Mr. J. G. Reeder, and popular thrillers such as The Ringer, The Crimson Circle, and The Green Archer. He also wrote the original screenplay for the classic film King Kong, dying in Hollywood in 1932 before its release.
Blending mystery, adventure, and sensational plot twists, Wallace's accessible storytelling earned him an enormous international readership and made him one of the first authors to achieve genuine wealth through writing alone.