Halfway done...

Penguin Classics - M
1. The Mabinogion - Anonymous
2. Macbeth - William Shakespeare
3. McTeague - Frank Norris
4. Madame Bovary - Gustave Flaubert
5. Main Street - Sinclair Lewis
6. Maggie: a Girl of the Streets - Stephen Crane
7. Major Barbara - George Bernard Shaw
8. Malgudi Days - RK Narayan
9. Man and Superman - George Bernard Shaw
10. The Man-Eater of Malgudi - RK Narayan
11. The Man in the Iron Mask - Alexandre Dumas
12. The Man Within - Graham Greene
13. The Man Who Had All the Luck - Arthur Miller
14. The Man Who Was Thursday - GK Chesterton
15. Mansfield Park - Jane Austen
16. The Manuscript Found in Saragossa - Jan Potocki
17. The Marble Faun - Nathaniel Hawthorne
18. The Marquis of O - Heinrich Von Kleist
19. The Marrow of Tradition - Charles W Chesnutt
20. Martin Chuzzlewit - Charles Dickens
21. Martin Eden - Jack London
22. Mary Barton - Elizabeth Gaskell
23. Mary, Maria, Matilda - Mary Wollstonecraft
24. The Master of Ballantrae - Robert Louis Stevenson
25. Master and Man - Leo Tolstoy
26. The Master Builder - Henrik Ibsen
27. The Master and Margarita - Mikhail Bulgakov
28. The Mayor of Casterbridge - Thomas Hardy
29. Measure for Measure - William Shakespeare
30. Medea - Euripides
31. Melmoth the Wanderer - Charles Robert Maturin
32. Mephisto - Klaus Mann
33. The Merchant of Venice - William Shakespeare
34. The Merry Wives of Windsor - William Shakespeare
35. The Messiah - Gore Vidal
36. Metamorphoses - Ovid
37. Micromegas - Francois Voltaire
38. Middlemarch - George Eliot
39. A Midsummer Night's Dream- William Shakespeare
40. The Mill on the Floss - George Eliot
41. The Minister's Wooing - Harriet Beecher Stowe
42. The Misanthrope - Moliere
43. The Miser - Moliere
44. Miss Ravenel's Conversion from Secessions to Loyalty - John W deForest
45. Mr. Sammler's Planet - Saul Bellow
46. The Monk - Matthew Lewis
47. More Die of Heartbreak - Saul Bellow
48. Moby Dick - Herman Melville
49. A Modern Instance - William Dean Howells
50. Moll Flanders - Daniel Defoe
51. The Monkey's Wrench - Primo Levi
52. The Moon is Down - John Steinbeck
53. The Moon and Sixpence - W Somerset Maugham
54. The Moonstone - Wilkie Collins
55. Mrs. Craddock - W Somerset Maugham
56. Much Ado About Nothing - William Shakespeare
57. My Antonia - Willa Cather
58. The Mystery of Edwin Drood - Charles Dickens
59. Mysteries - Knut Hamsun
60. The Mysteries of Udolpho - Ann Radcliffe