Otto Penzler, the owner of The Mysterious Bookshop located in New York City, has a rich history in the world of mystery and suspense fiction. For nearly two decades, he served as the publisher of The Armchair Detective, a prestigious quarterly journal that focused on the analysis and exploration of mystery literature. Additionally, Mr. Penzler established The Mysterious Press, which was later acquired by the Warner publishing conglomerate. He also founded Otto Penzler Books, which now operates as an imprint under Carroll & Graf, and The Armchair Detective Library, a publishing house dedicated to reissuing classic crime novels for avid collectors and libraries.