This Book Discusses The Risks Of Information Concealment In The Context Of Major Natural Or Industrial Disasters - Offering Detailed Descriptions And Analyses Of Some 25 Historical Cases (three Mile Island Nuclear Accident, Bhopal Disaster, Challenger Space Shuttle Explosion, Chernobyl Nuclear Disaster, Deepwater Horizon Oil Spill, Fukushima-daiichi Nuclear Disaster, Enron's Bankruptcy, Subprime Mortgage Crisis, Worldwide Spanish Flu And Sars Outbreaks, Etc.) And Applying These Insights To Selected On-going Cases Where Such Information Concealment Is Suspected. Some Successful Examples Of Preventive Anti-concealment Practice Are Also The Book, The Term 'concealment' Is Used To Represent The Two Distinct Behaviors Uncovered In The Investigations: (i) Facts And Information About An Organization And Its Functioning Being Hidden From Those That Need Them - Here The Concealment Can Be Due To Various Factors, Such As Complexity And Miscommunication, To Name But Two - And (ii) The Conscious And Deliberate Action Of Keeping Important Information Secret Or Misrepresenting It. This Second Meaning Makes Up A Surprisingly Important Part Of The Evidence Presented.accordingly, Emphasis Has Been Put On This Second Aspect And The Approach Is More Pragmatic Than Academic, Remaining Focused On Evidence-based Practical And Useful Factors.