Alessandro Volpe, Exploring Ageing as a Social Fact: Introductory Notes SECTION 1. ON GENERATIONS AND INTER- AND TRANS-GENERATIONALITY Tiziana Andina, About the "Chain of Generations" Alessandro Anzà, The Transgenerational Action of Growing Old Together. Ageism and Future-Maker Generations in Ageing Societies Valeria Martino, Redesigning Social Groups. Understanding the Young-Elder Divide Costanza Penna, Shared Aging and Transgenerationality Jessica Stanier, A Phenomenology of Hesitation, Open-mindedness, and Intergenerational Habitus Formation at Older Age SECTION 2. AGEING WELL IN AN AGEING SOCIETY Francesca Guma, Well-being in the Elderly: the Opportunity and Freedom to Achieve Valuable Functioning