Document. Gordon says the two books under review deal with the outbreaks in Ireland and Italy. O'Ballance provides a helpful historical summary, but it is more like an accountant's tabulation of events than an account of the full tragedy. Silj gives an esoteric interpretation of the conflicting modes and variations of ideology of the various groups and their leaders. Gordon says that both books lack objective evaluation of the nature and efficacy of terrorism and how it has changed in modern times. He says, however, that booth books deserve serious attention. ~ WORLDVIEW ~ 29-30