Bok Geo-il graduated from the Business School of the Seoul National University and held various jobs in banking, manufacturing, and trading until 1987 when he made his literary debut with the novel, In Search of the Epitaph (Bimyeongeul chajaseo). A writer of many interests and multifarious voices, Bok has also experimented with science fiction as a vehicle for exploring the effect of scientific innovations and technological development on human life. Notable among his science fiction works are Under the Blue Moon (Parandal arae, 1992) and A Wayfarer in History (Yeoksa sogui nageunae, 1991) which features time travel back to mid-Joseon Dynasty period.

Geo-il Bok has the following works available at Clarkesworld: