| Bootblack's verb or noun | 28 |
| Bootblack's service | 23 |
| Bootblack's product | 23 |
| Bootblack's offering | 24 |
| Bootblack's investment | 26 |
| Bootblack's buffer? | 23 |
| BootÂ’s opposite end | 23 |
| Boot-shaped European country | 28 |
| Boot, in baseball, e.g. | 23 |
| Boot one on the field, say | 26 |
| Boot in the Mediterranean | 25 |
| Boot in history class? | 22 |
| Boot in geography class? | 24 |
| Boot camp's cousin | 22 |
| Boot camp prescription | 22 |
| Boot camp bosses: Abbr. | 23 |
| Boot camp boss, informally | 26 |
| Boot camp boss, briefly | 23 |
| Boot camp barkers: Abbr. | 24 |
| Boot camp barkers (abbr.). | 26 |
| Boot camp barbering job | 23 |
| Boot attachment, perhaps | 24 |
| Boosts, with "up" | 27 |
| Booster shot shooter, e.g. | 26 |
| Booster of a rock band | 22 |
| Boosted one's lifting | 25 |
| Boost, with "up" | 26 |
| Boost to your spirits? | 22 |
| Boorish sorts, in Canada | 24 |
| Boor, north of the border | 25 |
| Boor's words, perhaps | 25 |
| Boone portrayer Parker | 22 |
| Boon to Scottish tourism | 24 |
| Boon of the NHL Hall of Fame | 28 |
| Boon for a poker player | 23 |
| Boomtown Rats' Bob | 22 |
| Booming jets of old, in brief | 29 |
| Boomers' successor | 22 |
| Boomers' org., nowadays | 27 |
| Boomers' offspring | 22 |
| Boomers' kids, briefly | 26 |
| Boomers' followers | 22 |
| Boomers born in the 1960s | 25 |
| Boomer's offspring | 22 |
| Boomer's kid, probably | 26 |
| Boomer's kid, maybe | 23 |
| Boomer's kid, informally | 28 |
| Boomer's kid, for short | 27 |
| Boomer's baby, briefly | 26 |
| Boomer that's now retired | 29 |
| Boomer Esiason, in college | 26 |
| Boomer born in the 1960's | 29 |
| Boom, vroom, zoom, etc. | 23 |
| Boom producer, for short | 24 |
| Boom makers, for short | 22 |
| Boolean operation word | 22 |
| Boolean logic operator | 22 |
| Boolean logic combination | 25 |
| Bookworm, stereotypically | 25 |
| Bookworm, in stereotypes | 24 |
| Bookworm's trademark | 24 |
| Bookworm's counterpart | 26 |
| Bookstore shelving category | 27 |
| Bookstore section, perhaps | 26 |
| Bookstore section, often | 24 |
| Bookstore patrons, often | 24 |
| Bookstore habitué | 24 |
| Bookstore feature, often | 24 |
| Bookstore aisle, perhaps | 24 |
| Bookshelf wood, perhaps | 23 |
| Bookshelf bracket shape | 23 |
| Bookselling partner of Barnes | 29 |
| Books, to Jonathan Swift | 24 |
| Books with many legends | 23 |
| Books with a 6x9-inch size | 26 |
| Books that might be cooked | 26 |
| Books that cover the world | 26 |
| Books that are written in | 25 |
| Books stored horizontally | 25 |
| Books reviewer, for short | 25 |
| Books printed before 1501 | 25 |
| Books on stands, usually | 24 |
| Books of size about 6 x 9 in. | 29 |
| Books of public records | 23 |
| Books may have a few of them | 28 |
| Books in hotel drawers | 22 |
| Books for Nooks, perhaps? | 25 |
| Books by a former astronaut? | 28 |
| Books about pills: Abbr. | 24 |
| Books about aliens, e.g. | 24 |
| Bookmarks, essentially | 22 |
| Bookmarked item nowadays | 24 |
| Bookmarked addresses, briefly | 29 |
| Bookmarked address, briefly | 27 |
| Bookmaking calculation | 22 |
| Bookmakers' figures | 23 |
| Bookmaker's numbers | 23 |
| Bookmaker's margins? | 24 |
| Bookmaker's concern | 23 |
| Booklet for an operagoer | 24 |