Principles of External Auditing has become established as one of the leading textbooks for students studying auditing. Striking a careful balance between theory and practice, the book describes and explains, in non-technical language, the nature of the audit function and the principles of the audit process. The book covers international auditing and accounting standards and relevant statute and case law. It explains the fundamental concepts of auditing and takes the reader through the various stages of the audit process. It also discusses topical aspects of auditing such as legal liability, audit risk, quality control, and the impact of information technology. Brenda Porter is currently visiting Professor at Exeter University and Chulalongkorn University, Bangkok. New To This Edition Now includes a new final chapter which explores topical issues and proposals prompted by perceived failings in the 2008-9 global financial crisis which point the way to future developments in auditing. Fully updated with recent changes in International Standards on Auditing produced by the International Auditing and Assurance Standards Board. Chapter 4 on auditor’s independence has been significantly revised Chapter 14 on the audit report has been fully updated reflecting changes introduced by the UK’s Auditing Practices Board. Chapter 5 has been restructured and extensively revised to reflect developments in governance reporting and auditing requirements. It also explains the new structure of the Financial Reporting Council. Chapter 17, which in previous editions covered internal environmental audits, has been removed and the existing chapter 18 on corporate responsibility assurance engagements becomes Chapter 17. A new chapter 18 has been added covering current developments in auditing. The section on the audit expectation-performance gap has been moved from chapter 5 and will be included in the new chapter 18.