| 100% | ISBN | 4 | ID that's different for different editions of the same book |
| 52% | EDITIONS | 8 | Different versions of the same book |
| 46% | NOLA | 4 | City that's the subject of the book Musical Gumbo, for short |
| 43% | COPPER | 6 | Term for dark reddish-brown hair that resembles a metal of the same name |
| 42% | TINY | 4 | "___ Beautiful Things," book by Cheryl Strayed that was adapted into a miniseries of the same name starring Kathryn Hahn |
| 42% | MELEES | 6 | Modern term for medieval fighting competitions of two mounted teams that fill the same niche as today's paintball games |
| 41% | ACTS | 4 | First book of the New Testament that isn't named for a person |
| 41% | HOP | 3 | "___ on Pop," 1963 book by Dr. Seuss that ranked sixteenth on Publisher Weekly's list which is one of the best-selling books for children |
| 39% | ISOTOPE | 7 | One of two or more atoms with the same atomic number that contain different numbers of neutrons |
| 39% | ILK | 3 | Of the same ___ (not too different) |
| 39% | ONE | 3 | "Well, that's ___ for the books!" |
| 39% | NSA | 3 | Org. that's the subject of the book "The Puzzle Palace" |
| 39% | LUKE | 4 | Book that's the source of the phrase "Physician, heal thyself" |
| 39% | COEQUALLY | 9 | In a way that's like people of the same rank |
| 38% | FLATRATE | 8 | Price that's the same for all customers: 2 wds. |
| 38% | MADAM | 5 | Term of address that's the same forward and backward |
| 38% | GIG | 3 | Booking for a rock band that's on the road |
| 38% | GSPOT | 5 | Part of the anatomy that's named for Ernst Gräfenberg |
| 38% | EYES | 4 | "___ Without a Face," 1960 French horror film that inspired Billy Idol's song of the same name |
| 38% | ILK | 3 | Of that ___ (of the same kind) |
| 38% | ILK | 3 | Of that ___ (of the same sort) |
| 38% | ILK | 3 | Of that ___ (of the same type) |
| 38% | GENERATION | 10 | "___ Kill," American war-based miniseries based on Evan Wright's book of the same name |
| 38% | PAST | 4 | "Remembrance of Things ___," book by Marcel Proust that holds the world record for longest novel |
| 38% | OED | 3 | Ref. that's the subject of the book The Professor and the Madman |
| 38% | UPS | 3 | Delivery co. that’s the subject of the book “Big Brown” |
| 38% | INNERPEACE | 10 | Topic for one of the Dalai Lama's "Little Book" series |
| 38% | IOWA | 4 | State that's the setting for "The Bridges of Madison County" |
| 38% | ASIA | 4 | "Heat of the Moment" band that's named for a continent |
| 37% | JAPAN | 5 | Tokyo's country that won the 2006 and 2009 editions of the World Baseball Classic tournament |