This Battalion History war book is the ‘ The Fighting 9th Battalion AIF 1914 – 1919 ‘ by C.M. Wrench M.C. (Military Cross ). The Fighting 9th Battalion AIF 1914 – 1919 ‘ by C.M. Wrench M.C. -. Wrench utilised the information found in the +40 years of personal contributions to the Fighting 9 Battalion Newspaper.