Acknowledgements
The author would like to thank Marie Pace, formerly of the United States Institute of Peace, and A. Heather Coyne and Nigel Quinney, the editors of The Peacemaker's Toolkit series, for their assistance and guidance in seeing this publication to completion. She would also like to express her gratitude to the anonymous reviewers, whose perceptive observations greatly improved its clarity, and to the mediators, diplomats, and representatives of conflict parties who have over the years shared their experiences of groups of Friends with her.