Use real cases to illustrate the work environment and professional responsibilities of auditors and examine factors and circumstances that often lead to problem audits and failures. Knapp’s CONTEMPORARY AUDITING, 11E has updated its most popular cases, including Enron Corporation, The Boeing Company, Golden Bear Golf, Kaset Thai Sugar Company, Lehman Brothers, Leigh Ann Walker, Madoff Securities, The Trolley Dodgers, Walmart de Mexico, and ZZZZ Best Company. Fifteen new cases include a comprehensive Le-Nature’s, Inc. case and Bankrate, Overstock.com, and Parker-Halsey cases showing high-risk audits. Avon and Saks Fifth Avenue cases highlight internal control while two additional cases emphasize ethics and two cases focus on professional roles. Ernst & Young, Internet Infamy, and Texas Drug Warehouse cases address professional issues and an international case reviews Olympus. The book integrates new professional auditing and ethical standards with an updated Instructor’s Manual.