#1 Peter Levine 1944-, A. G. Spalding and the Rise of Baseball: The Promise of American Sport.
#2 Peter Levine 1967-, The Future of Democracy.
#3 PeterA. Levine, Waking the Tiger: Healing Trauma - The Innate Capacity to Transform.
(While both #1 and #2 are academics, writing mostly non-fiction, each has published at least one novel set in their own field: #1 The Rabbi of Swat with a background in baseball, and #2 Something to Hide: A Novel, with a background in Nietzschian philosophy).