prolific writer whose romantic novels of the American West largely created a new literary genre, the western.

Trained as a dentist, Grey practiced in New York City from 1898 to 1904, when he published privately a novel of pioneer life, Betty Zane, based on an ancestor's journal. Deciding to abandon dentistry for full-time writing, he published in 1905 The Spirit of the Border—also based on Zane's notes—which became a best-seller. Grey subsequently wrote more than 80 books, a number of which were published posthumously; more than 50 were in print in the last quarter of the 20th century. The novel Riders of the Purple Sage (1912) was the most popular; others included The Lone Star Ranger (1915), The U.P. Trail (1918), Call of the Canyon (1924), and Code of the West (1934). Prominent among his nonfiction works is Tales of Fishing (1925).