Bob Coghill to speak truth about fictional detective Holmes in final Chautauqua Speaks by Deborah Trefts on August 21, 2018 share Followers of the online announcements and requests service, “Chautauqua Grapevine,” are aware that another crime novel by Deb Pines is out — Vengeance is Mine: A Chautauqua Murder Mystery. One of Pines’ characters, Cynthia Merriweather,