A successful internal audit program is essential for the success of any management system implementation, and requires effective auditors.The book provides comprehensive detail about establishing an internal audit program, selecting and training auditors, auditing requirements, interview techniques, planning audits, reporting, audit follow ups, and others.This book, presented in simple and straightforward manner, is ideal for new and experienced internal auditors who want to get more out of their audits, and for employees who just need a basic understanding of what internal auditing is and how it applies to them.This book explains ISO 19011 audit techniques and best practices, giving detailed overview of evidence and findings, preparation, and pre-audit activities including system standards, protocols, and methodologies. It describe in simple terms, how information on the audit scope is presented with reference to physical location, organizational units, and other important considerations.