The accident that shouldn´t have happened: A narrative account of what is believed to have occurred, based on reports from many experts

A schematic of Three Mile Island Unit 2, opposite p. 42, will help you follow the sequence of numbered events that comprised the nuclear reactor accident. FOLD OUT this schematic before beginning the articles on this page. Then choose the article that best suits you ¿ if you´re not already familiar with the workings of pressurized water reactors, begin with the article directly below; but, if you are an expert in nuclear reactor systems, read John Mason´s scenario.