Jeff One Lonely Guy
 Jeff One Lonely Guy is a 2012 nonfiction book by Jeff Ragsdale. The book is based on a flyer Ragsdale created and posted around New York City. The flyer was a social experiment. Ragsdale subsequently took an essay he wrote and combined it with tens of thousands of phone calls text messages voicemails and emails that he received after posting the flyer. The book was published on March 20 2012 by New Harvest.