In The Moment ... July 25, 2019 Show 623 Hour 1 It was a rivalry that ended in disaster. On July 28, 1929, on the bustling Lake Okoboji, the heralded speedboat "Miss Thriller" crashed into the slower vessel "Zipper." Nine people were killed. You can explore the story in a new book called The Death Boat . Author Lloyd Cunningham spent four decades as an Argus Leader photojournalist. He now spends his summers on Okoboji. Cunningham is in Sioux Falls Saturday for a book signing at Zandbroz Variety.
