Who says you never know what goes on behind closed doors? Arianne Cohen goes there every week editing New York magazine’s wildly popular online feature, the “Sex Diaries.” Now she serves up juicy all-new, all-American entries sure to satisfy the insatiable desire to peek into the private lives of ordinary people.

Arianne Cohen is the smart young editor of the “Sex Diaries,” created by New York magazine in 2007. They quickly became one of the most widely read (and commented on) features of the magazine’s Web site, which has 7 million unique monthly readers, three quarters of them outside the New York market. They were also the inspiration for a David Brooks column and a New Yorker cartoon. Now, in The Sex Diaries Project, Cohen has commissioned  brand-new entries from all over the country, selecting the fifty best for the book, and providing insightful commentary that draws on hundreds more. Each diarist offers a tantalizing glimpse into the thoughts and deeds of people who could easily be our neighbors, coworkers, or best friends. Together they convey the myriad ways we connect and disconnect. From the Female Minister Spicing Up Her Life to the Finance Guy Marrying His Mistress, these chronicles of loving, lusting, doubting, and leaving are an exciting journey into how Americans do sex and love.