Records of people experiencing verbal hallucinations or 'hearing voices' can be found throughout history. Voices of Reason, Voices of Insanity examines almost 2,800 years of these reports including Socrates, Schreber and Pierre Janet's "Marcelle," to provide a clear understanding of the experience and how it may have changed over the millenia. Through six cases of historical and contemporary voice hearers, Leudar and Thomas demonstrate how the experience has metamorphosed from being a sign of virtue to a sign of insanity, signalling such illnesses as schizophrenia or dissociation....