| 100% | COWRITTEN | 9 | Like books with two authors |
| 53% | ANTHOLOGY | 9 | Book with many authors |
| 52% | LONG | 4 | Like books in two volumes |
| 46% | NONPRIME | 8 | Like numbers with more than two divisors |
| 46% | SIGNING | 7 | Book __, event with author providing a signature |
| 46% | WHERESWALDO | 11 | Picture book with characters like Odlaw, Wizard Whitebeard and Woof |
| 45% | YESNO | 5 | Like questions with only two possible answers: Hyph. |
| 45% | YESNO | 5 | Like questions with only two possible answers (hyph.) |
| 45% | ISAAC | 5 | With 8-Down, "The Stars, Like Dust" author |
| 45% | OVERDUE | 7 | Like library books with late fees |
| 45% | OLD | 3 | Like a book with yellowing pages |
| 45% | CONTRANYMS | 10 | Words with two opposite meanings, like "cleave" and "oversight" (Chester Gould) |
| 45% | NATIVE | 6 | Like authors featured by the NDN Girls Book Club |
| 44% | OLD | 3 | Like a book with yellowing pages, maybe |
| 44% | STPETER | 7 | Titular author of two books of the Bible |
| 43% | YESNO | 5 | Like survey questions with two boxes |
| 43% | HOPONPOP | 8 | Book with the line "My father can read big words, too. / Like Constantinople and Timbuktu" |
| 43% | HALEY | 5 | Author with a book subtitled "The Saga of an American Family" |
| 43% | SAMESEX | 7 | Like a wedding with two brides: Hyph. |
| 43% | SPONDAIC | 8 | Like a line with two stressed syllables |
| 42% | HALFREAD | 8 | Like a book with a bookmark in the middle, say |
| 42% | YESNO | 5 | Like a question with two potential answers: Hyph. |
| 41% | BIMODAL | 7 | Like a probability curve with two peaks |
| 41% | BIMODAL | 7 | Like a probability distribution with two peaks |
| 39% | READ | 4 | Like books |
| 39% | COLLEENHOOVER | 13 | Author of "It Ends With Us" who gained fame after self-publishing romance books: 2 wds. |
| 38% | MRMEN | 5 | Children's book series with characters that have surnames like Happy, Lazy and Noisy |
| 38% | ATLASES | 7 | Books with legends |
| 38% | ATLASES | 7 | Books with maps |
| 38% | DUAL | 4 | With two parts |