'The full truth about Aberfan' The Guardian; 'The research is outstanding...the investigation is substantial, balanced and authoritative...this is certainly the definitive book on the subject...Meticulous.' John R. Davis, Journal of Contemporary British History; 'Excellent...thorough and sympathetic.' Headway 2000 (Aberfan's Community Newspaper); 'Definitive...authoritative...anyone who wants to understand the process of government and its obsession with secrecy should read this book.' Ron Davies, Secretary of State for Wales 1997-1998; 'Intelligent and moving' Planet