'Still, the volume paints a comprehensive picture of progress on REDD+ to date, giving a clear impression of the tantalizing efforts required by this evolving climate and forest policy experiment … In sum, the volumes contribute in their different ways to an ongoing conversation about the ambitious environmental policy experiment that is REDD+. Their analyses of progress so far provide welcome food for thought for academics and practitioners attempting to make sense of the maze of initiatives undertaken to make the idea of REDD+ a reality, as well as for policy-makers grappling with this intriguing experiment.' Annalisa Savaresi, Carbon and Climate Law Review