This text comprehensively covers the rituals, traditions and receipts of ancestral processes of bread making from multiple countries, including the scientific and technological character of the science of bread making and sourdough biotechnology. Individual chapters cover the scientific aspects of bread making in different cultures and traditions as well as the technological phenomena occurring during the bread making process, utilizing the full network of SOURDOMICS from the COST initiative. Pictures and illustrations are used to explain the science behind bread making processes and the cultural, historical and traditional elements associated with bread making in multiple countries. Authored by bread making experts from the breadth of Europe, the process of bread fermentation in each country and region is covered in detail. The traditions surrounding bread making are simply the empirical know-how passed between generations, and this book's main purpose is to perpetuate these traditions and know-how.