In Constructing Policy Change, Linda A. White examines the expansion of early childhood education and care (ECEC) policies and programs in liberal welfare states, including Australia, Canada, New Zealand, the UK, and the USA. In the first part of the book, the author investigates the sources of policy ideas that triggered ECEC changes in various national contexts. This is followed by a close analysis of cross-national variation in the implementation of ECEC policy in Canada and the USA. White argues that the primary mechanisms for policy change are grounded in policy investment logics as well as cultural logics: that is, shifts in public sentiments and government beliefs about the value of ECEC policies and programs are rooted in both evidence-based arguments and in principled beliefs about the policy. A rich, nuanced examination of the reasons motivating ECEC policy expansion and adoption in different countries, Constructing Policy Change is a corrective to the comparative welfare state literature that focuses on political interest alone.