| 100% | TRESSELL | 8 | Robert —, pen name of the author of 1914 posthumously published novel The Ragged Trousered Philanthropists |
| 71% | NOONAN | 6 | Robert —, author of novel The Ragged-Trousered Philanthropists, published posthumously in 1914 under the name Robert Tressell |
| 70% | ROBERTNOONAN | 12 | Author of novel The Ragged-Trousered Philanthropists, published posthumously in 1914 under the name Robert Tressell |
| 56% | NOONAN | 6 | Robert —, author of novel The Ragged Trousered Philanthropists under the name Robert Tressell |
| 41% | JOANNEROWLING | 13 | Author of the "Harry Potter" series who has written novels under the pen name Robert Galbraith: 2 wds. |
| 38% | ISAKDINESEN | 11 | Pen name of the author of 19-Across: 2 wds. |
| 37% | LEMONYSNICKET | 13 | Pen name of the author of "A Series of Unfortunate Events": 2 wds. |
| 35% | GEORGEELIOT | 11 | Pen name of the female author of "Silas Marner" |
| 35% | ELLISBELL | 9 | Pen name of the female author of "Wuthering Heights" |
| 35% | OWENMEREDITH | 12 | Pen-name of Robert Bulwer-Lytton, author of 1860 verse novel Lucile |
| 35% | ISAKDINESEN | 11 | Pen name of the female author of "Out of Africa" |
| 35% | ANDYSTACK | 9 | Pen name of the female author of True Detective stories |
| 34% | ROBERTGALBRAITH | 15 | Pen name of the female author of "The Cuckoo's Calling" |
| 34% | LOLITA | 6 | Noted novel in the guise of a posthumously published memoir |
| 34% | RAND | 4 | Ayn ___ (pen name of the author of "Atlas Shrugged") |
| 33% | BLOCH | 5 | Robert —, author of the novels Psycho and Lori |
| 33% | LEECHILD | 8 | Pen name of the British novelist who writes the Jack Reacher novel series (2 wds.) |
| 32% | READ | 4 | Miss —, pen name of Dora Jessie Saint, author of 1959 novel Thrush Green |
| 32% | MUSIL | 5 | Robert —, Austrian author of unfinished novel The Man Without Qualities |
| 31% | ECO | 3 | Umberto —, author of novels The Name of the Rose and Foucault's Pendulum |
| 31% | SAKI | 4 | Pen name of H H Munro, author of 1914 short story collection Beasts and Super-Beasts |
| 31% | ECO | 3 | Umberto —, late author of novels The Name of the Rose and Foucault's Pendulum |
| 31% | KEENE | 5 | Writer Carolyn, the pen name of more than 10 authors of the Nancy Drew series |
| 31% | UMBERTOECO | 10 | Author of the novels The Name of the Rose and Foucault's Pendulum |
| 31% | HEINLEIN | 8 | Robert A —, author of the novels Starship Troopers and The Door into Summer |
| 31% | BRONTE | 6 | Author of "Wuthering Heights" Emily ___ who wrote under the pen name Ellis Bell |
| 31% | DAN | 3 | American author ___ Brown who wrote the Robert Langdon series of novels |
| 30% | OHENRY | 6 | Pen name of William Sidney Porter, author of short story collections Roads of Destiny and The Four Million |
| 30% | LUDLUM | 6 | Robert, writer who also published novels under the names Jonathan Ryder and Michael Shepherd |
| 30% | PIRSIG | 6 | Robert M —, author of 1974 autobiographical novel Zen and the Art of Motorcycle Maintenance |