Human beings, even very young infants, and members of several other species, exhibit remarkable capacities for attending to and engaging with others. These basic capacities have been the subject of intense research in developmental psychology, cognitive psychology, comparative psychology, neuroscience, and philosophy of mind over the last several decades. Appropriately characterizing the exact level and nature of these abilities and what lies at their basis continues to prove a tricky business. The contributions to this special issue investigate whether and to what extent the exercise of such capacities count as, or are best explained by, a genuine understanding of minds, where such understanding depends on the creatures in question possess...