Islands are by nature mystical, mysterious, and mutable. So it seems fitting that Plum Island, about a mile beyond the eastern tip of Long Island’s North Fork, is shaped like a question mark. But this island is different. Join Amy Kasuga Folk, co-author of A World Unto Itself: The Remarkable History of Plum Island, New York, as she surveys the history of this mysterious place. No registration required. For additional information, please call the library at 631-567-5079 or visit our website.