I liked catch-22 (one of the best examples of irony and sarcasm. Dark humor at its finest)
I also liked "the remains of the day" (older book but reads incredibly well. might sound boring from the description of the book but it incredibly well written and you can certainly learn a lot from it)
H. Melvil's "Moby Dick"
V. Hugo's "les Miserables"
G. G. Marques's "100 years of solitude"
F. M. Dostoyevski's "Idiot" + "Gambler"
E.Hemingway's "Old man and the sea"
I. Andric's "Bridge over river Drina".... and so many more...
God Bless You Mr Rosewater by Kurt Vonnegut
Harry Potter 3-7 by JRR TOlkien
On the Road by Jack Kerouac
Name of the Rose by Umberto Eco
Society of the Spectacle by Guy Debord
The Room by Virginia Woolf
Trick Mirror by Jia Tolentino
Crash by JG Ballard :)