| UNSIGNED | Lacking the name of the author |
| WEST | Pen name of the author of books including The Return of the Soldier, The Fountain Overflows, Sunflower and Black Lamb and Grey Falcon (4) |
| IRIS | First name of the author of The Sandcastle, An Unofficial Rose, The Unicorn and The Sea, the Sea (4) |
| TWAIN | Mark -, pen name of the author of The Prince and the Pauper who also wrote about the adventures of Huckleberry Finn and Tom Sawyer (5) |
| BEATON | M. C. -; pen name of the author of the Hamish Macbeth series of novels such as Death of a Gossip, De |
| PELHAM | Whig prime minister from 1743-54; a type of bit; or, the first name of the author of the Jeeves and Wooster stories (6) |
| WYNDHAM | John -; pen name of the author of The Day of the Triffids (7) |
| CARROLL | Lewis -; pen name of the author whose Through the Looking-Glass includes the verses Jabberwocky and The Walrus and the Carpenter (7) |
| IZAAK | First name of the author of the fishing treatise The Compleat Angler who also wrote a short biography of his friend John Donne (5) |
| MANSFIELD | Pen name of the author of short stories including How Pearl Button Was Kidnapped, The Garden Party, A Cup of Tea and The Doll's House (9) |
| SUSAN | First name of the author of The Dark Is Rising novels and the picture book The Shortest Day (5) |
| DRSEUSS | Pen name of the author and illustrator of a number of children's books including Green Eggs and Ham and The Cat in the Hat (2,5) |
| MISSREAD | Pen name of the author of the Fairacre novels such as Village School, Miss Clare Remembers, Over the |
| GALBRAITH | Pen name of the author who wrote The Cuckoo's Calling, The Silkworm and, most recently, Career of Ev |
| CRESSIDA | A character portrayed in one of Shakespeare's plays; or, the first name of the author of How to Train Your Dragon (8) |
| ANGUS | First name of the author of The Old Men at the Zoo (5) |
| ENID | First name of the author of the Famous Five and Secret Seven books who also wrote a number of Christmas stories for children (4) |
| SAKI | Pen name of the author of When William Came and a parody of Lewis Carroll's Wonderland The Westminster Alice (4) |
| WILLIAM | First name of the author of the Henriad series of history plays (7) |
| NGAIO | First name of the author of detective novels including Surfeit of Lampreys and Clutch of Constables (5) |
