From the late literary critic Harold Bloom, The Bright Book of Life. A good list to work through.
1. Miguel de Cervantes, Don Quixote
2. Samuel Richardson, Clarissa
3. Henry Fielding, Tom Jones
4. Jane Austen, Pride and Prejudice
5. Jane Austen, Emma
6. Jane Austen, Persuasion
7. Alessandro Manzoni, The Betrothed
8. Stendhal, The Red and the Black
9. Stendhal, The Charterhouse of Parma
10. Honore de Balzac, Old Goriot
11. Alexander Pushkin, The Captain's Daughter
12. Emily Bronte, Wuthering Heights
13. William Makepeace Thackeray, Vanity Fair
14. Herman Melville, Moby Dick
15. Charles Dickens, Bleak House
16. Charles Dickens, Our Mutual Friend
17. Gustave Flaubert, Madame Bovary
18. Victor Hugo, Les Miserables
19. Ivan Turgenev, A Sportman's Notebook
20. Ivan Turgenev, First Love
21. Leo Tolstoy, The Cossacks
22. Leo Tolstoy, War and Peace
23. Leo Tolstoy, Anna Karenina
24. Leo Tolstoy, Hadji Murat
25. Thomas Hardy, The Return of the Native
26. Fyodor Dostoyevsky, The Brothers Karamazov
27. Henry James, The Princess Casamassima
28. Henry James, The Ambassadors
29. Joseph Conrad, Nostromo
30. Joseph Conrad, The Secret Agent
31. Joseph Conrad, Under Western Eyes
32. Edith Wharton, The Reef
33. D.H. Lawrence, The Rainbow
34. D.H. Lawrence, Women in Love
35. James Joyce, Ulysses
36. Thomas Mann, The Magic Mountain
37. Virginia Woolf, To the Lighthouse
38. Marcel Proust, In Search of Lost Time
39. Mikhail Bulgakov, The Master and Margarita
40. William Faulkner, Absalom, Absalom
41. Elizabeth Bowen, The Death of the Heart
42. Ralph Ellison, Invisible Man
43. Ursula Le Guin, The Left Hand of Darkness
44. Ursula Le Guin, The Dispossessed
45. Thomas Bernhard, The Loser
46. Cormac McCarthy, Blood Meridian
47. W.G. Sebald, The Rings of Saturn
48. Joshua Cohen, Book of Numbers