| Inedible peanuts | 16 |
| Cup material | 12 |
| Shipping item | 13 |
| Packing component | 17 |
| Carton-cushioning unit | 22 |
| "Sophie's Choice" author | 38 |
| He wrote "Sophie's Choice" | 40 |
| "Sophie's Choice" novelist | 40 |
| "Nat Turner" author | 29 |
| "Lie Down in Darkness" author | 39 |
| ''Sophie's Choice'' author | 46 |
| William who wrote "Sophie's Choice" | 49 |
| Novelist William | 16 |
| He wrote "Lie Down in Darkness" | 41 |
| "The Confessions of Nat Turner" writer | 48 |
| "The Confessions of Nat Turner" author | 48 |
| "Sophie's Choice" novelist William | 48 |
| "A Tidewater Morning" author | 38 |
| 'Sophie's Choice' novelist William | 46 |
| 'Sophie's Choice' author | 36 |
| Mining damp | 11 |
| Charon's waterway | 21 |
| "Mr. Roboto" band | 27 |
| Netherworld river | 17 |
| Mythical river | 14 |
| "Come Sail Away" band | 31 |
| Mythological river | 18 |
| Charon's crossing | 21 |
| "Kilroy Was Here" band | 32 |
| River to Hades | 14 |
| It ran around Hades | 19 |
| "Babe" band | 21 |
| Infernal river | 14 |
| Charon's beat | 17 |
| Underworld ferryman's post | 30 |
| River whose name means "hateful" | 42 |
| River to the underworld | 23 |
| River of no return | 18 |
| River of Greek mythology | 24 |
| River ferried by Charon | 23 |
| River down under | 16 |
| One hellish river | 17 |
| Mythological river of the underworld | 36 |
| It circles Hades nine times | 27 |
| Hellish river | 13 |
| Hades waterway | 14 |
| Group that sang the line "I'm Kilroy!" | 52 |
| Charon's workplace | 22 |
| Charon's domain | 19 |
| "Show Me the Way" band | 32 |
| "Kilroy Was Here" group | 33 |
| "Divine Comedy" river | 31 |
| Zeus swore oaths upon it | 24 |
| Where Charon labored | 20 |
| Where Achilles was dipped to make him invincible | 48 |
| Where Achilles was bathed | 25 |
| Waterway between Earth and Hades | 32 |
| Underworld route | 16 |
| Underworld flower | 17 |
| Underworld figures may cross it | 31 |
| Under water? | 12 |
| They went "sailing away" | 34 |
| Thetis bathed Achilles in it, in myth | 37 |
| Stream of mythology | 19 |
| Source of Achilles' strength | 32 |
| Site of underworld bribes | 25 |
| Site of Charon's ferry | 26 |
| Site of a mythological ferry service | 36 |
| Runner down under? | 18 |
| Rock group with the same name as a mythical river | 49 |
| Rock group with the line "I'm Kilroy!" | 52 |
| River of the underworld, in myth | 32 |
| River of the underworld | 23 |
| River of Charon | 15 |
| River near Lethe | 16 |
| River in which Achilles was dipped | 34 |
| River encircling Hades | 22 |
| River down under? | 17 |
| River crossed by Orpheus | 24 |
| River crossed by Charon | 23 |
| River circling the underworld | 29 |
| River beyond the grave | 22 |
| One of five rivers bordering Hades | 34 |
| Olympian gods swore oaths on it | 31 |
| Netherworld flower | 18 |
| Name on which ancient oaths were taken | 38 |
| Mythological ferry locale | 25 |
| Mythical waterway | 17 |
| Mythical river whose name means "hateful" | 51 |
| Mother of Nike, in Greek myth | 29 |
| Milton called it "The flood of deadly hate" | 53 |
| Lower-world river | 17 |
| Low flower | 10 |
| Last river to cross? | 20 |
| It circled Hades several times | 30 |
| It circled Hades nine times | 27 |
| If you're on it, you're going to hell | 45 |
| Hit 1970s-'90s band with a mythological name | 48 |
| Hades boundary | 14 |
| Group with the 1979 #1 hit "Babe" | 43 |