Brand new. Great condition. Minor shelf wear from storage - nothing major. Every order ships with free delivery confirmation tracking number. Fast shipping from our non-smoking home. 2009AMA098 Additional Details ------------------------------ Product description: Conjectures and Refutations is one of Karl Popper's most wide-ranging and popular works, notable not only for its acute insight into the way scientific knowledge grows, but also for applying those insights to politics and to history. It provides one of the clearest and most accessible statements of the fundamental idea that guided his not only our knowledge, but our aims and our standards, grow through an unending process of trial and error.