Book Signing with Dan Ferguson Douglass Public Library Posted on February 5, 2018 by LibraryStaffMarch 8, 2018 Join us on March 1st at 6:30 PM as local author Dan Ferguson signs copies of his new book, “Grace’s Mirror: Healing for Perfectionists.” Dan takes you on a journey to search for a mirror that will make the perfectionist happy. He offers sound Biblical and psychological advice, leading the perfectionist to healing and recovery.