The world is full of genuine fakes--the objects that fall into the space between things that are real and those that are not. Whether or not we think things are authentic is a matter of perspective. From stories of audacious forgeries to feats of technological innovation, historian Lydia Pyne explors how the authenticity of eight genuine fakes--art forgeries, fake fossils, nature documentaries, synthetic flavors, museum exhibits, Maya codices and...