Suitable participants will be provided with the self-help workbook “Face Your Fears”. This workbook is written by a leading expert in the field of anxiety disorders and contains cognitive-behavioural skills to address all anxiety disorders (i.e. is a transdiagnostic treatment). Participants will be encouraged to follow a schedule of reading rather than reading the whole book at once. The proposed reading schedule will be delivered over an 8 week period and is outlined below. Participants will be