1. Dept. of Speculation by Jenny Offill
2. Animal Farm by George Orwell
3. We Have Always Lived in the Castle by Shirley Jackson
4. The Reluctant Fundamentalist by Mohsin Hamid
5. Heartburn by Nora Ephron
6. The Hitchhiker’s Guide to the Galaxy by Douglas Adams
7. Who Will Run the Frog Hospital? by Lorrie Moore
8. Things Fall Apart by Chinua Achebe
9. The Awakening by Kate Chopin
10. Shopgirl by Steve Martin
11. The Body in the Library by Agatha Christie
12. Fahrenheit 451 by Ray Bradbury
13. The Giver by Lois Lowry
14. The Sense of an Ending by Julian Barnes
15. Sula by Toni Morrison
16. The Dig by Cynan Jones
17. How to Get Into the Twin Palms by Karolina Waclawiak
18. Amsterdam by Ian McEwan
19. The Outsiders by S.E. Hinton
20. The Old Man and the Sea by Ernest Hemingway
21. Speak by Laurie Halse Anderson
22. The Great Gatsby by F. Scott Fitzgerald
23. Rape: A Love Story by Joyce Carol Oates
24. The Quiet American by Graham Greene
25. The Passion by Jeanette Winterson
26. Jonathan Livingston Seagull by Richard Bach
27. Autobiography of Red by Anne Carson
28. The Mezzanine by Nicholson Baker
29. At the Gates of the Animal Kingdom by Amy Hempel
30. Annihilation by Jeff VanderMeer
31. Tuck Everlasting by Natalie Babbitt
32. Being There by Jerzy Kosinski
33. My Side of the Mountain by Jean Craighead George
34. The Neon Bible by John Kennedy Toole
35. Speedboat by Renata Adler
36. Memories of My Melancholy Whores by Gabriel Garciá Márquez
37. If You're Not Yet Like Me by Edan Lepucki
38. The Crying of Lot 49 by Thomas Pynchon
39. The Lover by Marguerite Duras
40. Breakfast at Tiffany's by Truman Capote
41. Ethan Frome by Edith Wharton
42. Time's Arrow by Martin Amis
43. Lucinella by Lore Segal
44. Night by Elie Wiesel
45. A Room of One's Own by Virginia Woolf
46. Ablutions by Patrick deWitt
Why not take a stroll to your local bookshop and buy one?
This list isn't exhaustive. If there's a short novel we've missed, please add it in the comments below so others might enjoy it. Oh, and just because you can read these in a day doesn't mean you have to. Happy reading!
H/T to Flavorwire / Reddit / Go Book Yourself.