Author Elizabeth Letts is a master at researching a historical story and transforming it into a page-turner. This richly imagined novel tells the story behind “The Wonderful Wizard of Oz” through the eyes of author L. Frank Baum’s intrepid wife, Maud. “Finding Dorothy” is the result of Letts’ journey into the amazing lives of Frank and Maud Baum, as well as her discovery of the real-life inspiration for the character of Dorothy. Written as fiction but based closely on the truth, Elizabeth Letts’ new book tells a story of love, loss, inspiration, and perseverance, set in America’s heartland. Doors open at 6:00 p.m.