The Hudson Library & Historical Society will host a live virtual streaming event with Ann Hagedorn, author of Sleeper Agent: The Atomic Spy in America Who Got Away. Sleeper Agent is a gripping, fast-paced, extensively researched story about one undetected spy who influenced history. “Compelling” and “well-researched” according to Booklist, Kirkus Reviews calls this book “An eye-opening account of perhaps the Soviet Union’s most successful sleeper agent.”