Complex sentence: Otto Penzler (born July 8,1942) is a well-known publisher and editor of mystery fiction in the United States, proprietor of The Mysterious Bookshop in New York City, where he lives.
Split into simpler sentences: Otto Penzler (born July 8,1942) is a well-known publisher and editor of mystery fiction in the United States. He is the proprietor of The Mysterious Bookshop in New York City, where he lives.