This book investigates the persistent and often recurring nature of safety failures in industrial processes, even after lessons have been learned from previous incidents. It aims to provide a framework for understanding why 'going wrong' continues to happen and how to prevent it more effectively. Drawing on decades of experience in process safety, the author analyzes common themes and root causes behind industrial accidents, emphasizing the human and organizational factors that contribute to repeated mistakes.

This work is regarded as a significant contribution to the field of process safety, offering practical insights derived from extensive experience. Experts in chemical engineering and industrial safety often cite Kletz's pragmatic approach to accident prevention. The book is valued for its clear analysis of why familiar errors persist and for providing actionable advice to mitigate these risks.