In no particular order:

The Flowers of Evil by Charles Baudelaire
A Season in Hell by Arthur Rimbaud
Romance of the Three Kingdoms by Luo Guanzhong
Six Records of a Floating Life by Shen Fu
The Red Night Trilogy of William S. Burroughs (Cities of the Red Night, The Place of Dead Roads, The Western Lands)
On the Road: The Original Scroll by Jack Kerouac
Book of Haikus by Jack Kerouac
The Stranger by Albert Camus
The Metamorphosis by Franz Kafka
The Idiot by Fyodor Dostoevsky
Notes from Underground by Fyodor Dostoevsky
After Dark by Haruki Murakami
The Unbearable Lightness of Being by Milan Kundera
Girl, Interrupted by Susanna Kaysen
One Flew Over the Cuckoo’s Nest by Ken Kesey
Please Kill Me: The Uncensored Oral History of Punk by Legs McNeil and Gillian McCain