Evan Kalish is obsessed with post offices, and he's running out of time.
A grad student at the University of Pennsylvania, he has spent much of the past three years documenting the slow death of an institution that was once at the heart of small-town America--taking photos, collecting postcards, paying tribute. He has crisscrossed the Northeast, driven down South and flown to Hawaii to visit more than 2,700 post offices that are in danger of closing or have already been shuttered. Many of the buildings are historic, some marking the establishment of a community in a growing nation or the revival...