Helen Kennerley (Author) Dr Helen Kennerley is a consultant clinical psychologist and CBT therapist (NHS) and university tutor (University of Oxford), as well as a founding fellow of the Oxford Cognitive Therapy Centre. She is the author of Overcoming Anxiety (Robinson, 2014), Managing Anxiety (OUP, 1995), How to Beat Your Fears and Worries (Robinson, 2011), Overcoming Childhood Trauma (Robinson, 2000) and An Introduction to Coping with Childhood Trauma (Robinson, 2011), and co-author of An Introduction to CBT (SAGE, 2016). Udo Kischka (Author) Professor Udo Kischka is a retired consultant neurologist in neuro-rehabilitation (NHS), an academic visitor (University of Oxford) and research visiting fellow (Oxford Brookes University). He is co-editor of TheHandbook of Clinical Neuropsychology (OUP, 2010) and the co-author of Head Injury (OUP, 2009).