"On Hermaphroditism" is a significant scholarly book that addresses the complex topic of hermaphroditism. The volume brings together various texts, including Michel Foucault's introduction to the American edition, the memoirs of Herculine Barbin, and Oskar Panizza's literary treatment of the subject. Additionally, the book contains a dossier created by Foucault, which includes reports and documents related to a historical case, as well as an afterword by the editors. This compilation provides a deep insight into the social and historical contexts of hermaphroditism and highlights the literary and scientific engagement with this topic. The diversity of perspectives and the thorough analysis make this work a valuable resource for students and those interested in social sciences and literary history.