Join Olivia and Abby, and their cousin Lexi, as they solve two mysteries from their log cabins on the shores of Long Lake, near Vergas, Minnesota. The cousins team with famous aviator Millie Orvick, and Fanny Bund, Fargo's Great Planes Museum Director, to recover Millie's secret invention and catch Fanny's flying ghost This is the third story in the Cousins at Long Lake Mysteries and the most complex mystery yet. The Mystery of the Flying Ghost is a great book for young, creative readers because they can read, draw and color pictures, and learn from the popular "Ask a Cuz" sections.