Former Hawkeye basketball player, Roy Marble, will be signing autographs at the Walnut Creek YMCA on Friday over the lunch hour. He will also be selling the book “Two Decades and Counting: The Streak, The Wins, the Hawkeyes, Thru the Eyes of Roy Marble.” written by Brian D. Meeks. Roy is the University of Iowa's all-time leading scorer (2,116 point) and father of current Iowa star Roy Devyn Marble III.