'Markedness' is a central notion in linguistic theory. This book is the first to provide a comprehensive survey of markedness relations across various grammatical categories, in a sample of closely-related speech varieties. It is based on a sample of over 100 dialects of Romani, collected and processed via the Romani Morpho-Syntax (RMS) Database - a comparative grammatical outline in electronic form, constructed by the authors between 2000-2004...