| 100% | ROGET | 5 | Peter who compiled a book of synonyms |
| 49% | PIPER | 5 | Peter who picked a peck of pickled peppers |
| 48% | THESAURUS | 9 | A book listing the synonyms of words |
| 47% | THESAURUS | 9 | A book that lists words as groups of synonyms |
| 47% | ANI | 3 | DiFranco who wrote a book of poetry called "Verses" |
| 45% | ANI | 3 | Singer DiFranco who wrote a book of poetry called "Verses" |
| 43% | PILE | 4 | Mountain of books or a synonym of "many" |
| 42% | THESAURUS | 9 | Book of synonyms |
| 42% | THESAURI | 8 | Books of synonyms |
| 42% | CORY | 4 | Senator Booker who's a cousin of RuPaul |
| 41% | PRIMER | 6 | A book of first letters |
| 40% | LEAR | 4 | Edward who wrote "A Book of Nonsense" |
| 40% | THESAURUS | 9 | Reference book of synonyms |
| 40% | EMMA | 4 | Actress Thompson who wrote the 2014 book "The Spectacular Tale of Peter Rabbit" |
| 39% | SPYCATCHER | 10 | 1987 book by Peter Wright subtitled The Candid Autobiography of a Senior Intelligence Officer |
| 39% | DEER | 4 | "Dear ___: A Book of Homophones" |
| 39% | READ | 4 | Enjoy a book of poetry |
| 39% | SHADOWS | 7 | "___ of Forgotten Ancestors: A Search for Who We Are," 1993 book co-authored by Carl Sagan |
| 39% | HYMN | 4 | Song in a book of songs |
| 38% | SEDER | 5 | Feast with a Book of Exodus story |
| 38% | LENTO | 5 | Instruction in a book of Liszt's |
| 38% | THOR | 4 | Superhero with a hammer who appeared in the first issue of the comic book "The Avengers" |
| 38% | THESAURUS | 9 | A book that lists synonyms |
| 37% | STAMBERG | 8 | Susan who was one of the "Founding Mothers of NPR," per a 2021 book by Lisa Napoli |
| 37% | SONATAS | 7 | They're in a book of Liszt's |
| 37% | ROBREINER | 9 | Director of 33-Across who will write a foreword for the book by 15-Across: 2 wds. |
| 37% | FLAVIA | 6 | ___ Bujor, "The Prophecy of the Stones" author who published her first book when she was a teen |
| 37% | OTOOLE | 6 | Peter who played Lawrence of Arabia |
| 37% | DIARY | 5 | Book of secrets with a lock? |
| 37% | FIRE | 4 | What you can start with a book of matches |