About the In-Universe trashy "historical novel" Dire Dawn by Hildegarde Hernandez:
Its dust-jacket bore a slightly-more-than-bust-length picture of a young lady with crimson hair and green eyes and jade earrings and a plunging--not to say power-diving--neckline that left her affiliation with the class of Mammalia in no doubt whatever.
...
[The author] "boasts that she never yet has been caught in an error of historical background detail.
"The heroine is a sort of super-Mata-Hari, who is, alternately and sometimes simultaneously, in the pay of the Nazis, the Soviets, the Vatican, Chiang Kai-Shek, the Japanese Emperor, and the Jewish International Bankers, and she sleeps with everybody but Joe Stalin and Mao Tse-tung, and of course, she is in on every step of the A-bomb project. She even manages to stow away on the Enola Gay, with the help of a general she's spent fifty incandescent pages seducing."
...
"We are now running a sort of gaseous-diffusion process, to separate the nuclear physics from the pornography. I must say, Hildegarde has her biological data very well in hand, too."
—Uller Uprising