This book is a compendium of rare and unique spices, which have been least researched but hold immense economic potential on a global scale. They are Aniseed, Shallot, Saffron, Caraway or Siah Zira, European or Indian Dill, Poppy, Star Anise and Japanese Star Anise, Sage, Savory, Tarragon, Thyme, Calamus or Sweet Flag, Horse Radish, Galangal, and Long Pepper or Pipli.  Some of these are seed spices and others, like Saffron, are grown in the hills of Jammu and Srinagar, India and have varied uses, ranging from being very popular food flavorants to being used for religious purposes.   Even within India, the country of the origin for most of the spices listed, many Indians are simply unaware of their immense economic potential.  This is also the case with other countries, like Iran, where some spices, like Saffron, is widely used as a food flavorant.   The book aims to be a unique compendium of these rare and unique spices to primarilyenable researchers to tap into their great economic potential and, on a wider scale, help developmental agencies to tap into their immense potential in global spice trade. The book provides a cross-sectoral multi-scale assessment of developmental possibilities, globally, for rare and unique spices of immense economic importance.