The Power is a novel by Ian Watson published in 1987.
The Power is a novel in which a nuclear apocalypse occurs after confrontations involving nuclear bases and peace camps.
[1] Dave Langford reviewed The Power for White Dwarf #96, and stated that "for all his acuteness, Watson isn't immune to this genre's habitual gloating tone of 'Look, Mummy, see how disgusting I can be....'"[1]