Introduction. Discusses his "official entry" into the Catholic Peace Movement as happening when he reported for his Civilian Public Service duty at Warner Camp fifty years ago. Also, mentions the changes that have occurred in the peace movement in the last fifty years including the growing membership of Pax Christi USA. Says that the book is based on a theme that all Christians are called to a vocation of peace. Finally, gives a summary of what each of the three sections of the book will concern. ~ Baltimore