This publication aims to identify what works in the policy and practice of adult learning, drawing on the experience of nine OECD countries: Canada, Denmark, Finland, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom (England). It defines the features of a desirable system of adult learning, including ways to motivate adults to learn and methods to deliver appropriate services. This book will be indispensable to policy makers and those involved in the practice of adult learning.