Introduction -- Contracts as a law school course -- Consideration -- Promissory estoppel : detrimental reliance -- Mutual assent : creating an agreement -- Interpretation and construction of contracts -- Is awriting required? : the statute of frauds -- Modification of contracts -- Warranties -- Conditions and the order of performance -- Substantial performance and material breach -- Contract defenses -- Excuse : mistake and change of circumstances -- Remedies : expectation damages -- Reliance and restitution -- Agreed remedies -- Equitable remedies -- Third-party beneficiaries -- Assignments and delegations