What Works Now? An introduction ~ Annette Boaz, Huw Davies, Alec Fraser and Sandra Nutley;

Section one: Policy and practice as arenas for evidence;

Evidence and policy making ~ Paul Cairney;

Evidence and service delivery ~ Graham P. Martin and Oli Williams;

Section two: Fields of policy and practice intervention;

Using evidence in health and healthcare ~ Paul Wilson and Trevor A. Sheldon;

Using evidence in social care ~ Deborah Ghate and Rick Hood;

Using evidence in criminal justice ~ Nicholas R. Fyfe and Gloria Laycock;

Using evidence in education ~ Julie Nelson and Carol Campbell;

Using evidence in environmental and sustainability issues ~ Mark Reed and Laura Meagher;

Using evidence in international development ~ Ruth Stewart;

Section three: Knowing and doing: some cross-cutting themes;

Systematic approaches to generating evidence ~ Alec Fraser and Huw Davies;

Assessing and labelling evidence ~ Sandra Nutley, Huw Davies and Judith Hughes;

Using evidence ~ Annette Boaz and Sandra Nutley;

Section four: International comparison and commentary;

Using evidence in the UK ~ Jonathan Breckon & David Gough;

Using evidence in Australia and New Zealand ~ Brian Head and Michael Di Francesco;

Using evidence in Scandinavia ~ Anne Mette Møller, Kari Tove Elvbakken and Hanne Foss Hansen;

Using evidence in Canada ~ Bev Holmes and Sharon Straus;

Using evidence in the US ~ Vivian Tseng and Cynthia Coburn;

Conclusions: lessons from the past; prospects for the future ~ Huw Davies, Annette Boaz, Sandra Nutley, Alec Fraser.

Sandra Nutley is Emeritus Professor at University of St Andrews, and a specialist in using evidence to inform public policy and practice.