Social Stories are an extensively used intervention to address behaviour difficulties of children on the autistic spectrum. This article summarizes what Social Stories are and sets out to determine whether there is any relevant literature demonstrating the effectiveness of this intervention. Whilst the existing literature suggests positive findings with respect to the effectiveness of Social Stories, there is considerable variability in the quality of research methodology, with no single study employing comprehensive, stringent standards. This article highlights the factors that should be considered and addressed when testing the effectiveness of Social Stories, as a means of informing future research.