This edited collection is a tribute to Andrew Mathews, distinguished researcher in cognition and emotion. It presents a 'state of the art' account of the cognitive--clinical literature and sets an agenda for future work. The book is structured around theoretical, empirical and clinical approaches. Theoretical topics covered include learning theory, attentional processes and repression. Empirical work on for example, cognitive training, ambiguity resolution and functional imaging is discussed. In the final section work with a clinical perspective includes imagery, social anxiety, autobiographical memory and Mindfulness Based Cognitive Therapy