" München: Riemann Verlag, 2001, ISBN 3-570-50021-7* (mit Jeffrey Perkins): "You Have the Power: Choosing Courage in a Culture of Fear" , Tarcher/Penguin, 2004. ###>* "You Have the Power: Choosing Courage in a Culture of Fear" (with Jeffrey Perkins), Tarcher/Penguin, 2004.