Ruger Double Action Revolvers, A Shop Manual, Vol. 1, Jerry Kuhnhausen

174 pages.  Appearance of sticker removal on  the front cover, first endpaper with 4 tiny ink letters bottom corner.  Fine unmarked text block. Covers the Ruger Six-Series double action revolvers; Security-Six, Police Service-Six, and Speed-Six models. Mailing anywhere for $18