Sexual Perversion in the Inverted Male contains a bunch of advice about the correct way to tie people up, how to have anal sex without pain, how to aim a whip, and the best strategies for bloodplay. There are diagrams. Every three or four pages it contains a paragraph about how all of this is, obviously, sick and wrong.
Men Into Beasts is fifty pages of porn about the rampaging rape gangs who use the innocent protagonist as a sex toy, at which point the protagonist meets the dark and brooding Most Violent Man In The Prison. The Most Violent Man In The Prison is an asshole to everyone else but mysteriously not an asshole to the protagonist. He protects the protagonist from all the rampaging rape gangs and tenderly strokes his hair and brings him presents of his favorite food and opens up about his traumatic childhood. On page 305 the protagonist is released from prison and his wife says "oh darling! how did you survive?" and he stares out into space and says "...you have to make hard choices... if you want to survive prison..."
Confessions of Sex Addict is a memoir about the protagonist's tragic descent into sex addiction. He is aware that it is destroying his life but gay sex is so sexy and hot that he can't stop himself from sucking strange men's cock. There are long and loving descriptions of how much it arouses him to get fucked and how ashamed and unhappy he is about it. On page 303 he goes into rehab and is so happy to be freed from the horrors of sex addiction.