Harm Reduction in Substance Use and High-Risk Behaviour: International Policy and Practice edited by Richard Pates and Diane Riley (Eds) West Sussex, UK: Wiley-Blackwell, 2012 ISBN 978-1-4051-8297-3, 472 pp. PBK. Price: $77.95 Follow this link: Harm Reduction in Substance Use and High-Risk Behaviour: International Policy and Practice edited by Richard Pates and Diane Riley (Eds) West Sussex, UK: Wiley-Blackwell, 2012 ISBN 978-1-4051-8297-3, 472 pp. PBK. Price: $77.95