Beyond the idyllic countryside and suburban communities of Long Island lies a murky history of murder and mayhem. A Victorian romance went awry in Huntington when wealthy farmer Charles Kelsey was tarred, feathered and murdered in 1872. Thirty-five years before the famous witch trials of Salem, East Hampton had its own Puritan hysteria among charges of witchcraft. The 1937 kidnapping of wealthy heiress Alice Parsons shook the quiet town of Stony Brook and remains a mystery to this day. Award-winning author and historian Kerriann Flanagan Brosky uncovers some of the most ghastly and...