"January 15, 2009. Hudson River, New York City. Robby Palmer, a 12-year-old boy with autism, witnesses the 'Miracle on the Hudson' from a sightseeing ferry and becomes obsessed with the birds that caused the plane crash. Passengers Deborah and Christopher are trying to escape their infertility struggle when Flight 1549 plunges them into the icy river. Preacher's wife Brett Stevens has hidden a secret for years. She's aboard the ferry, too, where the eye of a TV camera threatens to expose her. Their lives intersect in Sparrow Migrations, the braided narrative of ordinary people transformed by an extraordinary event and by each other"--Page 4 of cover.