Maybe that brownstone had been the upscale home of a merchant or a sea captain. Maybe it had resonated to the sound of a piano on the weekends, from a daughter who’d studied at the Peabody Conservatory. But they’d all moved on to places where there was grass, and this house, too, was now vacant, a brown, three-story ghost of a different time. He was surprised at how wide the streets were, perhaps because when they’d been laid out the principal mode of transport had been horse-powered wagons.