This book provides both a theoretical and practical reference to cognitive neuropsychological approaches to speech and language therapists working with people with aphasia. Having evolved from the activity of a group of clinicians working with people with aphasia, it is a highly practical guide that aims to interpret the theoretical literature as it relates to aphasia and link it directly to available assessment tools and therapy techniques. The opening section of the book provides an overview of the theory underpinning the approach and how it can be applied to the assessment and interpretation of language-processing impairments. The second section offers a working explanation of different components of language processing, outlining the deficits that may arise from impairment to each component. In addition, the clinician is guided to available assessments to test out clinical hypotheses and offered interpretations of performance patterns. The final section provides a comprehensive overview of the therapy literature with systematic summaries of the therapies undertaken and a synthesis of the findings to date. This book has been written by clinicians with hands-on experience. It will be an invaluable resource for clinicians and students of speech and language therapy and related disciplines.