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framework, it might appear too technical for a reader who is not familiar with applied linguistics. On a more general note, many authors introduced their chapters in a similar, almost repetitive, way by explaining Singapore’s language policy background and the idea behind its quadrilingual education policy. To minimise this repetition, it would have been perhaps more ideal to provide this information in a form of one foundational comprehensive introductory chapter. Indeed, one of the most comprehensive summaries of Singapore’s language policy background is provided in chapter 10 by Silver, Curdt-Christiansen, Abdullah, Lakshmi and Yang. Nevertheless, the introductory and concluding chapters by the editors present the key themes and arguments quite cohesively. In addition, the commentary chapters at the end of each part offer a welcome synthesis and enlightening perspectives after reading the detailed chapters in each section. This comprehensive volume is an innovative and important read to anyone interested in bilingual research and language planning in Singapore. Given that Singapore is one of the top ranking countries in language education (p. 219), understanding the language policy behind it may offer guidance to nations, policy-makers, teachers and parents who share similar linguistic aspirations.