Photo by Pat Sunderland Although she has struggled with alcoholism and lost her daughter in a tragic accident, Heidi Davis’s book is filled with the hope she has found through God.Heidi Davis of Delta will sign her book, "Ariel's Light: An Inspiring True Story of Recovery, Healing, Hope, and Miracles," at Bill Heddles Recreation Center Saturday, Dec. 1, from 9 a.m. to 3 p.m. The book signing will be held in conjunction with the rec center's annual Holiday Craft Fair.