Trueque Mental by Robert Sheckley

In a world where the mind can be traded like currency, the story follows a man who becomes entangled in a high-stakes game of identity and consciousness. As he navigates a society where mental exchanges are the norm, he grapples with the ethical implications and personal consequences of swapping minds with others. The narrative explores themes of identity, morality, and the essence of self, all while maintaining a suspenseful and thought-provoking pace that challenges the reader to consider the true value of one's mind.