Letter to a Stranger: Essays to the Ones Who Haunt Us"A celebration of the adventure that is other people." Ariel Levy, author of The Rules Do Not Apply Lauren Groff, Elizabeth Kolbert, Pam Houston, Pico Iyer, T Kira Madden, Gregory Pardlo, Maggie Shipstead, and Peter Orner are among the 65 writers who grapple with this mystery: How can an ephemeral encounter leave an eternal mark? When Colleen Kinder put out a call for authors to "write a letter to a stranger who haunts you," she opened the floodgates.