| 100% | OWENMEREDITH | 12 | Pen-name of Robert Bulwer-Lytton, author of 1860 verse novel Lucile |
| 53% | TRESSELL | 8 | Robert —, pen name of the author of 1914 posthumously published novel The Ragged Trousered Philanthropists |
| 49% | JOANNEROWLING | 13 | Author of the "Harry Potter" series who has written novels under the pen name Robert Galbraith: 2 wds. |
| 47% | READ | 4 | Miss —, pen name of Dora Jessie Saint, author of 1959 novel Thrush Green |
| 43% | NOONAN | 6 | Robert —, author of novel The Ragged Trousered Philanthropists under the name Robert Tressell |
| 42% | OUIDA | 5 | Pen-name of Marie Louise Rame, author of 1867 novel Under Two Flags |
| 42% | ROBERTNOONAN | 12 | Author of novel The Ragged-Trousered Philanthropists, published posthumously in 1914 under the name Robert Tressell |
| 41% | NOONAN | 6 | Robert —, author of novel The Ragged-Trousered Philanthropists, published posthumously in 1914 under the name Robert Tressell |
| 40% | PUSHKIN | 7 | Aleksandr —, author of 1833 verse novel Eugene Onegin |
| 40% | PUSHKIN | 7 | Aleksandr —, author of the verse novel Eugene Onegin |
| 39% | GALBRAITH | 9 | Pen name of J.K. Rowling, Robert __ |
| 39% | KEENE | 5 | Writer Carolyn, the pen name of more than 10 authors of the Nancy Drew series |
| 38% | GEORGEELIOT | 11 | Pen name of the female author of "Silas Marner" |
| 38% | ELLISBELL | 9 | Pen name of the female author of "Wuthering Heights" |
| 38% | ISAKDINESEN | 11 | Pen name of the female author of "Out of Africa" |
| 38% | ISAKDINESEN | 11 | Pen name of the author of 19-Across: 2 wds. |
| 38% | ANDYSTACK | 9 | Pen name of the female author of True Detective stories |
| 38% | HERRIOT | 7 | James __; pen name of vet author Alf Wight |
| 38% | NORA | 4 | ___ Roberts, author of romance novels |
| 38% | ROBERTGALBRAITH | 15 | Pen name of the female author of "The Cuckoo's Calling" |
| 37% | BLOCH | 5 | Robert —, author of novels Psycho and Lori |
| 37% | RANKIN | 6 | Robert —, author of novels Necrophenia and Retromancer |
| 37% | SAKI | 4 | Pen name of H H Munro, author of 1914 short story collection Beasts and Super-Beasts |
| 37% | BLOCH | 5 | Robert —, author of the novels Psycho and Lori |
| 37% | LEMONYSNICKET | 13 | Pen name of the author of "A Series of Unfortunate Events": 2 wds. |
| 36% | OHENRY | 6 | Pen name of William Sidney Porter, author of short story collections Roads of Destiny and The Four Million |
| 36% | PIRSIG | 6 | Robert M —, author of 1974 autobiographical novel Zen and the Art of Motorcycle Maintenance |
| 36% | MUSIL | 5 | Robert —, Austrian author of unfinished novel The Man Without Qualities |
| 36% | ISAK | 4 | "Out of Africa" author's pen name, ___ Dinesen |
| 36% | LEECHILD | 8 | Pen name of the British novelist who writes the Jack Reacher novel series (2 wds.) |