Stephen Dunn is the author of 16 books of poems. His 17th, Lines of Defense, which contains the three poems in this issue, will be published by Norton in January 2014. His Different Hours was awarded the 2001 Pulitzer Prize. A book of essays about his life and work The Room and the World, edited by Laura McCullough, will be issued by Syracuse University Press this September. He lives in Frostburg, Maryland.