Maroon hard covered book of 239 pages. Along with technical information the book looks at cyanide processing around the world including South Africa, New Zealand, Kalgoorlie, Golden Horseshoe Mine, Great Boulder Main Reef, New South Wales, United States of America, Mexico, India, Canada.cyanide, mining, mcarthur-forrest process, laboratory, slimes, leaching, zinc precipitation, siemens-halske process, cyanide plantbutters' distributer, cyanide poisoning antidotes, south africa, new zealand, waihi mine, waikino, south kalgoorlie, united states, mexico, india