This is Volume 4 in the Çatalhöyük Research Project series. It deals with various aspects of the habitation of Çatalhöyük. Part A embarks on a discussion of the relationship between the site and its environment, using a wide range of evidence from faunal and charred archaeobotanical remains. Part B looks at evidence from human remains which inform us about diet and lifestyle, as well as wider issues of population dynamics and social structure, including a consideration of population size. Part C looks at the sediments at Çatalhöyük, exploring ways in which houses and open spaces in the settlement were lived in.