Among the most prolific fictioneers ever to pound a typewriter, Johnston McCulley has earned pop-culture immortality as the creator of Zorro, who made his debut in 1919. At that time he was just one of many McCulley characters romping through the shag-edged pages of America's pulp-fiction magazines. Most others appeared in Street & Smith's DETECTIVE STORY MAGAZINE, a weekly periodical devoted to fast-paced tales of crime and mystery. The three novels...