Just ran across this analysis of the evolution of "nuke porn." It focuses on
The Road, the EMP-disaster book "One Second After" -- contrasting them with such classics such as "On The Beach," "Fail-Safe" and "Dr. Strangelove."
http://www.slate.com/id/2217899/The new nuke porn is hard-core, more graphic and full-frontal than the Cold War version of the genre.