Otto Penzler is an editor of mystery fiction in the United States, and proprietor of The Mysterious Bookshop in New York City, where he lives. Otto Penzler founded The Mysteriour Press in 1975 and was the publisher of The Armchair Detective, the Edgar-winning quarterly journal devoted to the study of mystery and suspense fiction, for seventeen years. Penzler has won two Edgar Awards, for The Encyclopedia of Mystery and Detection in 1977, and The Lineup in 2010. The Mystery Writers of America awarded him the prestigious Ellery Queen Award in 1994, and the Raven—the group's highest non-writing award—in 2003.