| A crossword editor has to be very careful when changing one--unlike this puzzle's editor, who was careless four times herein |
| Irish spirits |
| Time's 2007 "Invention of the Year |
| Health insurance giant |
| Linear printing units |
| ___ Pet (kitschy plant) |
| First word across in the first-ever crossword (1913) and the first of a dozen appearances of the word in this puzzle's grid, written word search-style (left, right, down, and diagonally) ... Can you f |
| Character changed by spirits at Yuletide |
| Tropical fruits |
| Seventh anniversary ruiner? |
| Org. with a key-holding eagle in its logo |
| Region near the Arctic Circle known for its reindeer |
| Archer of whodunits |
| Mythical giant |
| Ambulance inits. |
| All, e.g., for this answer's last six letters? |
| Duck prized for its down |
| A billion years |
| Activity suggested by this puzzle's theme entries |
| A first name in whodunits |
| A Footnote to History" author's inits. |
| Alternative title of this puzzle, in view of what can be placed in front of the answers to the 10 asterisked clues |
| About a quarter of the population of Sicily lives on its slopes |
| Actor Wallach of "The Misfits |
| Partially obscured (and a hint to this puzzle's theme) |
| Fabric for astronauts' outfits? |
| Brand named after the pronunciation of its parent company's initials |
| Actress who will host the Golden Globes 75th Anniversary Special with her "Will & Grace" costar, Eric McCormack: 2 wds. |
| Alias inits. |
| Annual cause of losing an hr.'s sleep hidden in this puzzle's 10 longest answers |