Capsule summary -- Perspective -- Mutual assent: offer and acceptance. The common law, the Restatement and the Uniform Commercial Code ; Mutual assent ; Offer ; Acceptance ; Termination of revocable offers ; Option contracts: irrevocable offers ; Certainty -- Consideration and its equivalents. Introduction ; Consideration ; Moral obligations ; Promissary estoppel ; Sealed instruments -- Legal capacity. Infants ; The mentally infirm -- Proper form (writing) and interpretation and an overview of electronic contracting. Parole evidence rule ; Interpretation ; Statute of frauds ; Electronic contracting under the UCC: an overview -- Conditions, performance and breach. Nature and classification of conditions ; Conditions and promises as related to substantial performance and material breach ; Recovery despite mutual breach or failure to perform substantially ; Excuse of conditions ; Prospective unwillingness and inability to perform: repudiation ; Performance of the sales contract ; Warranties in the sales contract -- Defenses. Impracticability ; Frustration ; Illegality ; Discharge of contractual duties -- Contract remedies. Damages ; Restitution ; Equitable enforcement -- Avoidance or reformation for misconduct or mistake. Duress ; Undue influence ; Misrepresentation ; Mistake ; Reformation of mistake, misrepresentation or duress ; Unconscionability ; "Duty" to read ; Affirmation or ratification -- Third party beneficiaries. Types of beneficiaries ; Promisor's defenses ; Cumulative rights of the beneficiary ; Rights of the promisee against the promisor -- Assignment and delegation. Assignment of rights ; Delegation of duties -- Appendices. A. Answers to review questions ; B. Practice examinations ; C. Comprehensive essay examination questions ; D. Glossary ; E. Index