Popular western writer Zane Grey was a literary celebrity during his lifetime and the center of a huge enterprise based on his writing, which included books, magazine serials, film and stage versions of his stories, even comic strips. His wife, Dolly, closely guided Grey's career almost from its beginning, editing and sometimes revising his work, negotiating with publishers and movie studios, and skillfully managing the considerable fortune derived from these activities.

Dolly maintained the facade of a conventional married life that was essential to Grey's public image and the...