Book excerpt: This exciting book explores the exchange of societal support between generations. It also examines variations in contemporary practices and rationales in different regions and societies around the world. The book draws on theoretical perspectives and empirical analysis to discuss both newly emerging patterns of family reciprocity, as well as more established ones which are affected by changing opportunities and pressures in contemporary societies. It is highly international and comparative in nature, covering the US, Europe, East Asia, Sub-Saharan Africa, and Thailand.