Drawing on a rich set of interviews and surveys, this book shows how the global AIDS treatment advocacy movement helped millions in the developing world gain access to life-saving medication. The movement achieved this by transforming the market for AIDS drugs from one which was 'low volume, high price' to one based on access for all. The authors suggest that a movement's ability to transform markets depends upon whether: (1) markets are contestable; (2) they have framed their arguments to resonate across their target audiences; (3) the movement itself has a coherent goal; (4) the costs are...