Incluye referencias bibliográficas e índice CONTENIDO: Introduction. Working with difficult groups: a conceptual framework -- Keeping difficult situations from becoming difficult groups -- Building an external focus: avoiding the difficulties on an in-grown team -- The downside of communication: complaining cycles in group discussions -- Facilitating multicultural groups -- Interpersonally hostile work groups: precipitating factors and solutions -- Diversity by design: creating cognitive conflict to enhance group performance -- Facilitating inclusion: study circles on diversity and student achievement -- Overcoming sources of irrationality that complicate working in decision-making groups -- Working without rules: a team in need of a different picture -- Interaction archetypes: keys to group difficulty and productivity -- Virtual teams: difficult in all dimensions -- Politics of the arts: challenges in working with nonprofit boards -- Competitive group interactions: why they exist and how to overcome them -- Active facilitation: how to help groups break through "Mutual Stalemate" -- Mediating history, making peace: dealing with the "Messy" stuff in the conciliation process -- Deep democracy: multidimensional process-oriented leadership -- Authentic relationships and collective psychological capital -- How leaders can make diverse groups less difficult: the role of attitudes and perceptions of diversity -- The hero's journey: helping inflexible groups - and inflexible facilitator - get unstuck -- Difficult groups or difficult facilitators? Three steps facilitators can take to make sure they are not the problem.