The Essence Of Restitution -- Themes And Controversies -- The Principle Of Unjust Enrichment -- Enrichment -- At The Expense Of The Claimant -- Principles Underlying The Recognition Of The Grounds Of Restitution -- Ignorance -- Mistake -- Compulsion -- Exploitation -- Necessity -- Failure Of Consideration -- Incapacity -- Restitution From Public Authorities -- General Principles 5 -- Restitution For Torts -- Restitution For Breach Of Contract -- Restitution For Equitable Wrongdoing -- Criminal Offences -- Establishing Proprietary Restitutionary Claims -- Restitutionary Claims And Remedies To Vindicate Property Rights -- The Defence Of Bona Fide Purchase -- Fundamental Principles And General Bars -- Defences Arising From Changes In The Defendant's Circumstances -- Passing On And Mitigation Of Loss -- Illegality -- Incapacity -- Limitation Periods And Laches. Graham Virgo. Includes Bibliographical References (pages 745-759) And Index. Includes Index.