Goff & Jones is the definitive work on restitution providing comprehensive interpretation of all aspects of the subject, and incorporating all developments since the last edition. It first examines the principles of unjust enrichment and then goes on to give detailed coverage of the principles and practical applications of Mistake, Compulsion, Necessity, Ineffective Transactions and Defences. * A new edition of the definitive work on restitution * Guides the reader through the theory, principles and practical application of the law * Covers major recent case law - such as as the radical House of Lords decision in A-G v. Blake which contemplates the possibility of recovering profits from a breach of contract * Many chapters have been substantially rewritten to reflect the rapid evolution of this area of law.