A curious history of the strange, wonderful and sometimes terrifying worlds created by our minds. ‘An utterly engrossing book.' ZOE WILLIAMS For centuries we’ve dismissed delusions as something for doctors to sort out behind locked doors. But delusions are more than just bizarre quirks – they hold the key to collective anxieties and traumas. In this groundbreaking history, Victoria Shepherd uncovers stories of delusions from medieval times to the present day and implores us to identify reason in apparent madness. Discover how the King of France – thinking he was made of...