This book proposes a new model of phonology that integrates rules and repairs triggered by markedness constraints in a classical derivational model. In developing this theory, the book offers new solutions to many long-standing problems involving syllabic and segmental phonology with analyses of natural language data, both well-known and relatively unknown. The book also includes a new treatment of Palatalization and Affrication processes, a novel theory of feature visibility as an alternative to feature underspecification and an extensive critique of Optimality Theory.