The Primer and this accompanying Book of Readings will explore the role of lifelong learning in sustainable development. They can be used individually or in groups, and will share a common structure so that they can be used in tandem. The Primer will contextualize and provide a comprehensive overview of the developing key issues in the field. Following the same structure as the Primer, the Book of Readings will deepen and broaden readers' understandings of the issues by a selection of seminal writings and invited contemporary commentaries from key authors in the field.