This book investigates the cognitive architecture and mental mechanisms that enable humans to attribute mental states to themselves and others, a capacity commonly referred to as mindreading. Shaun Nichols and Stephen Stich, both established scholars in philosophy and cognitive science, synthesize empirical data from developmental psychology and cognitive neuroscience to propose a dual-process model. They argue that imagination serves as a critical component in simulating the mental states of others, while distinct, specialized mechanisms govern self-awareness and introspection. The authors utilize this framework to address enduring philosophical questions regarding the nature and reliability of folk psychology.

Experts in the field recognize this work as a significant contribution to the debate between simulation theory and theory-theory in cognitive science. Readers frequently note the academic density of the prose, which is intended for scholars and advanced students of philosophy and psychology.