"Aperture" is a sophisticated guide to the world of contemporary photography that combines the finest writing with inspiring photographic portfolios. Presenting fresh perspectives accessible to the photo practitioner and the culturally curious alike, each issue examines one theme at the heart of contemporary photography, explored in two sections: Words, focused on ideas, interviews and debate, and Pictures, devoted to an immersive selection of portfolios. Columns include Redux, The Collectors, Curriculum and Object Lessons.The Winter issue, "Performance, "looks at how photography can be conceived as a live performance, in addition to considering the medium's essential role in the history of performance-based art.