This book investigates over 30 major catastrophes and reveals the critical necessity of transitioning from identifying lessons to implementing actionable changes in workplace safety. Recognizing the gap between incident analysis and meaningful workplace transformation, this title advocates for a shift in mindset, emphasizing practical application over theoretical comprehension. It delivers a comprehensive framework that connects incident findings and tangible and practical workplace improvements. Building upon the works of renowned safety science thinkers including Sidney Dekker and James Reason, it offers insights garnered from years of industry experience and delivers a pragmatic approach that is usable in any workplace. New to this edition are two additional chapters, updated content on lessons learned from investigations and increased coverage of the process required to better understand workplace fatalities. Through investigating common drivers of disasters, from the Herald of Free Enterprise ferry tragedy to the Fukushima Daiichi meltdown, the reader will gain an understanding of what can be learned from past incidents and how that can be applied to ensure a safer future. This second edition of Simplicity in Safety Investigations: Moving Towards Learning from Incidents is an indispensable resource tailored for those in occupational health and safety practice including supervisors, managers, and business leaders across diverse industries.