<P>Historic sites, memorials, national parks, museums...we live in an age in which heritage is ever-present. But what does it mean to live amongst the spectral traces of the past, the heterogeneous piling up of historic materials in the present? How did heritage grow from the concern of a handful of enthusiasts and specialists in one part of the world to something which is considered to be universally cherished? And what concepts and approaches are necessary to understanding this global obsession? </P><P></P><P>Over the decades, since the adoption of the World Heritage Convention, various ''crises'' of definition have significantly influenced the ways in which heritage is classified, perceived and managed in contemporary global societies. Taking an interdisciplinary approach to the many tangible and intangible ''things'' now defined as heritage, this book attempts simultaneously to account for this global phenomenon and the industry which has grown up around it, as well as to develop a