List of PlatesPreface and AcknowledgementsPART I IGNORANCE IN SOCIETY1 What is Ignorance?2 Philosophers on Ignorance3 Collective Ignorance4 Studying Ignorance5 Histories of Ignorance6 Ignorance of Religion7 Ignorance of Science8 Ignorance of GeographyPART II CONSEQUENCES OF IGNORANCE9 Ignorance in War10 Ignorance in Business11 Ignorance in Politics12 Surprises and Catastrophes13 Secrets and Lies14 Uncertain Futures15 Ignoring the PastConclusion: New Knowledge and New IgnoranceGlossaryNotesFurther ReadingIndex