Here’s the list from The Atlantic (paywall-free).

It’s a fun list – eclectic and not too snooty. I’d add The World According to Garp by John Irving there, also A Confederacy of Dunces.

I got 43, I’ve put *’s next to the ones that left a lasting impression on me:

1. The Great Gatsby*
2. A Farewell to Arms
3. Sound and the Fury
4. The Big Sleep*
5. Grapes of Wrath*
6. Catcher in the Rye
7. Charlotte’s Web
8. Invisible Man*
9. Fahrenheit 451*
10. Giovanni’s Room*
11. Haunting of Hill House
12. Catch 22
13. A Wrinkle in Time
14. One Flew Over the Cuckoo’s Nest*
15. The Bell Jar*
16. Do Androids Dream of Electric Sheep
17. Portnoy’s Complaint
18. Slaughterhouse Five*
19. The Dispossessed
20. The Stand
21. Kindred*
22. Watchmen*
23. Blood Meridian
24. Dawn*
25. Bastard Out of Carolina
26. Secret History
27. Shipping News
28. Sabbath’s Theater
29. Infinite Jest
30. The Amazing Adventures of Cavalier and Clay*
31. The Corrections*
32. The Namesake*
33. The Brief Wondrous Life of Oscar Wao*
34. A Visit From the Goon Squad
35. Americanah*
36. The Fifth Season
37. The Sellout
38. Lincoln in the Bardo
39. Severance
40. There There*
41. Lost Children Archive*
42. No One Is Talking About This*
43. Biography of X*