Andrew Burrows continues to provide an authoritative account of the law of restitution in the third edition of this highly-praised textbook. Fully revised and updated, this edition includes a wealth of new cases and academic thinking in addition to thorough examination of the subject as a whole. As with previous editions, the author's expert analysis and clarity of style will be invaluable to students and practitioners with an interest in this area of law. PART ONE - FUNDAMENTAL IDEAS; 1. Introduction to unjust enrichment and restitution; 2. Competing theories; 3. Benefit; 4. At the expense of the claimant; 5. Unjust factors or absence of basis?; 6. Tracing; 7. Subrogation; 8. Proprietary restitution; PART TWO - UNJUST FACTORS; 9. Mistake; 10. Duress; 11. Undue influence; 12. Exploitation of weakness; 13. Incapacity as a ground for restitution; 14. Failure of consideration; 15. Ignorance; 16. Legal compulsion: compulsory discharge of another's liability; 17. Necessity; 18. Illegality as a ground for restitution; 19. Ultra vires demands by public authorities; PART THREE - DEFENCES; 20. Change of position, estoppel and agency; 21. Other defences; PART FOUR - RESTITUTION FOR WRONGS; 22. Introduction to restitution for wrongs; 23. Restitution for torts; 24. Restitution for breach of contract; 25. Restitution for equitable wrongs; 26. Defences to restitution for wrongs; PART FIVE - CONFLICT OF LAWS; 27. Conflict of laws