This book addresses value chains and the closely related questions of sustainability, especially social sustainability, in the so called `sustainability turn' Smallholder vanilla producers in Madagascar, as a case, it places power relations at the center of production node analysis. Brilliantly navigating the complexities of such analysis. This ground-breaking work is accomplished through an elaborate qualitative-grounded-theory methodology. This book is useful for scholars looking to explore the links between value chains, social sustainability and feminist epistemologies.