Author Bruce Bracken of Gwynn’s Island, will discuss his latest work, “Deceit on Gwynn’s Island,” with a book signing to follow, at 6:30 p.m. Thursday, Sept. 24, at the Mathews Museum. This book is the second in a series of Gwynn’s Island mystery novels by Bracken, succeeding “Murder on Gwynn’s Island.” “Some secrets get buried … others wash ashore,” reads the flyleaf of Bracken’s newest novel, which begins with the body of a longtime island resident washing ashore. Bracken is emeritus professor of the College of William and Mary and author of both fiction and scholarly works....