| Answer | Crossword Clue |
|---|---|
| OCTAVO | 6 x 9-inch page size |
| OCTAVO | 6 x 9-inch book size |
| MIL | 1,000th of an inch |
| AORTA | Tube about 1 inch in diameter |
| MILS | An inch equals 1,000 of these |
| SEAOTTERS | Creatures that have the densest fur of any mammal (up to 1 million hairs per square inch) |
