Focusing on maritime disasters of the past half-century, this book includes the evidence of doctors, rescue and salvage workers, maritime engineers and designers, insurers and forensic experts. It discusses the two types of ship design which are known to be flawed: roll-on/roll-off ferries, including Herald of Free Enterprise and Estonia, and the giant container ships such as the Derbyshire, which sank in mysterious circumstances in the Pacific in the 1980s.