This best-seller is fully updated and expanded! The entire audit process is discussed, from the audit assignment to analyzing results and following up on the action items. This easy-to-use pocket guide summarizes all the steps necessary to complete an internal audit. New and updated sections reflect new techniques, ISO 19011 thinking, and the approach to new standards. The condensed format of this book makes it a good tool to use when training others how to perform an internal audit and is appropriate for those who have no prior knowledge of audit principles or techniques.