Book excerpt: Rapid urbanisation presents challenges such as inequality, informalisation and diversified, social needs for emerging cities. Informal and formal institutions and their impact on urban development and well-being vary across social classes and cities. Endo, Shibuya, and their contributors provide a systematic and multifaceted overview of urban well-being. It explores the characteristics and complexities of urban well-being of lower and middle classes in Asian megacities. The book explains that social setting and socioeconomic condition of individuals and households play a critical role in urban well-being. It offers insights on the vulnerabilities and resilience of urban populations and the intertwined dynamics of social networks and what they mean for individual well-being. This book will be a useful reference for students, researchers and academics in urban studies, Asian studies or development studies.