This comprehensive overview of the law applicable to commercial transactions uses the systems approach to explain the realities of commercial practice and relationship between the rules And The transactions they govern. Among the continuing strengths of this casebook: extraordinary authorship; all four co-authors are distinguished in the field skillful use of the systems approach to put the code in context and show how the law is applied in actual transactions teachable problems prefaced by straightforward textual explanations flexibility for structuring a course of various credits or approaches cutting-edge coverage organization into assingment units, which reguces preparation time for instructors This revision introduces: the ALI/NCCUSL amendments to UCC Articles 2, 2A, 3, 4 and 9 with no confusing older section numbers more even coverage results from trimming material on secured credit and adding assignments To The sales and payment systems portions assignments in the payment systems sections that address Automated Clearinghouse Payments and Securitization major new cases covering all UCC articles Articles 9 cases, such as Grabowski v. Deere & Company Teacher's Manual with additional guidance for presenting problems.