http://www.amazon.co.uk/kindle/dp/B00K34H650/ref=rdr_kindle_ext_eos_detail

"ARTISAN & SPECIALITY FOOD PRODUCTION" explains the food safety essentials for the safe preparation of - JAM, CHUTNEY, VINEGAR PICKLES, FERMENTED PICKLES, CHEESE, FERMENTED SAUSAGES, BILTONG & JERKY, SALTED & SMOKED FISH, CEVICHE, FLAVOURED OILS and foods cooked SOUS VIDE. 
The book is ideally suited to both the novice and experienced Artisan or Speciality Food Producer. 
Essential food safety controls are simply explained in a way that does not require too much prior food safety knowledge. 
Everybody knows that temperature controls both the growth and survival of unwanted bacteria in food. That is why we cook food and why we keep food in the refrigerator. But there are other methods of controlling the growth and survival of micro-organisms too. 
What gives jam its extended shelf life? What makes salami safe to eat when the meat is still raw? How much salt should you use when preparing smoked fish? 
The physical controls that are discussed are salt, sugar, acidity, pH, moisture content and water activity. 
If you are contemplating starting a food business then "Artisan & Speciality Food Production" is an essential read for getting started. It can be used to inform the content of a documented food safety management system. These systems are frequently known as a Hazard Analysis Critical Control Point (HACCP) systems and are a legal requirement for all food producers in many countries.