A quick challenge, which you might also find amusing if you've read any of the books. Sourced from "The Anna Karenina Fix: Life Lessons from Russian Literature" (Viv Groskop, 2017). I have omitted the serious life lessons, due to insufficient space. Besides, lots of publishers say no one reads these descriptions anyway.
Anna Karenina: Don't throw yourself under a train
Doctor Zhivago: Don't leave your wife while she's pregnant
Requiem: Don't wear tight shoes on prison visits
A Month in the Country: Don't fall in love with your best friend's wife
Eugene Onegin: Don't kill your best friend in a duel
Crime and Punishment: Don't kill old ladies for money
Three Sisters: Don't keep going on about Moscow
One Day in the Life of Ivan Denisovich: Don't forget to take your spoon to prison with you
The Master and Margarita: Don't get run over by a tram after talking to Satan
Dead Souls: Don't buy non-existent peasants as part of a get-rich-quick scheme
War and Peace: Don't try to kill Napoleon