| Author of "R.U.R." | 28 |
| Author of "Quentin Durward" | 37 |
| Author of "Quality Street" | 36 |
| Author of "QB VII" | 28 |
| Author of "Q.B. VII" | 30 |
| Author of "Pygmalion" | 31 |
| Author of "Pulling Your Own Strings" | 46 |
| Author of "Presumed Innocent" | 39 |
| Author of "Portrait of a President" | 45 |
| Author of "Portnoy's Complaint" | 45 |
| Author of "Popo": 1980 | 32 |
| Author of "Poem (No Name) No. 3" | 42 |
| Author of "Play It as It Lays" | 40 |
| Author of "Plan B: Further Thoughts on Faith" | 55 |
| Author of "Pierre et Jean" | 36 |
| Author of "Phineas Finn" | 34 |
| Author of "Phil the Fiddler" | 38 |
| Author of "Phèdre" | 31 |
| Author of "Permit Me Voyage" | 38 |
| Author of "Pensées" | 32 |
| Author of "Peg Woffington" | 36 |
| Author of "Peer Gynt" | 31 |
| Author of "Pêcheur d'Islande" | 46 |
| Author of "Paris in the 20th Century," an 1863 novel first published in 1994 | 86 |
| Author of "Pal Joey" | 30 |
| Author of "Out of Mulberry Street" | 44 |
| Author of "Other People" and "Money" | 56 |
| Author of "One World or None" | 39 |
| Author of "One of Ours" | 33 |
| Author of "One Human Minute" | 38 |
| Author of "On the Beach" | 34 |
| Author of "Omoo" | 26 |
| Author of "Oldtown Folks": 1869 | 41 |
| Author of "Old Wives' Tale" | 41 |
| Author of "Old Judge Priest" | 38 |
| Author of "Oedipus at Colonus" | 40 |
| Author of "Notes on a Cowardly Lion" | 46 |
| Author of "Not So Wild a Dream" | 41 |
| Author of "Nonsense Novels" | 37 |
| Author of "No Exit" | 29 |
| Author of "No and Yes" | 32 |
| Author of "Night-Side" | 32 |
| Author of "Never Have Your Dog Stuffed" | 49 |
| Author of "Nausea" | 28 |
| Author of "Nana" | 26 |
| Author of "Myra Breckenridge" | 39 |
| Author of "My Secret Garden" | 38 |
| Author of "My Point ... and I Do Have One" | 52 |
| Author of "My People" | 31 |
| Author of "My Name is Asher Lev" | 42 |
| Author of "My Life": 1975 | 35 |
| Author of "My Life" | 29 |
| Author of "My Life So Far" | 36 |
| Author of "My Life in Court" | 38 |
| Author of "My Antonia" | 32 |
| Author of "Mrs. Dalloway" | 35 |
| Author of "Mr. Citizen" | 33 |
| Author of "Moses" | 27 |
| Author of "Mon Frère Yves" | 39 |
| Author of "Momo": 1978 | 32 |
| Author of "Moll Flanders" | 35 |
| Author of "Miss Lonelyhearts" | 39 |
| Author of "Misreadings" | 33 |
| Author of "Miracle Mongers and Their Methods" | 55 |
| Author of "Middlemarch" | 33 |
| Author of "Metamorphoses" | 35 |
| Author of "Men of Iron" | 33 |
| Author of "Meeting at Potsdam": 1975 | 46 |
| Author of "Meeting at Potsdam" | 40 |
| Author of "Medea" | 27 |
| Author of "Marius the Epicurean" | 42 |
| Author of "Madame Bovary" | 35 |
| Author of "M'Liss" | 32 |
| Author of "Lucky Jim" | 31 |
| Author of "Luck and Pluck" | 36 |
| Author of "Lord Jim" | 30 |
| Author of "Loon Lake" | 31 |
| Author of "Look Who's Talking!" | 45 |
| Author of "Liza of Lambeth" | 37 |
| Author of "Little Women" and "Little Men" | 61 |
| Author of "Liliom" | 28 |
| Author of "Life with Father" | 38 |
| Author of "Life in London" | 36 |
| Author of "Let Us Now Praise Famous Men" | 50 |
| Author of "Les Plaisirs et les jours" | 47 |
| Author of "Les Miserables" | 36 |
| Author of "Lee's Lieutenants" | 43 |
| Author of "Leading With My Chin" | 42 |
| Author of "Le Rouge et le Noir" | 41 |
| Author of "Le Roi s'amuse" | 40 |
| Author of "Le Mal": 1916 | 34 |
| Author of "La Vie de Jésus" | 40 |
| Author of "La Peste" | 30 |
| Author of "Krakatit" | 30 |
| Author of "Knulp": 1915 | 33 |
| Author of "Knots" | 27 |
| Author of "Kim" | 25 |
| Author of "Justine" | 29 |
| Author of "Julian" | 28 |
| Author of "Jude the Obscure" | 38 |