| Answer | Crossword Clue |
|---|---|
| EVAPORATE | Disappear into thin air. |
| VANISH | Disappear into thin air. |
| EVAPORATE | Disappear into thin air |
| VANISH | Disappear into thin air |
| INTO | Disappear ... thin air |
| INTO | Disappear -- thin air |
| INTO | Disappear...thin air |
| NEPAL | "Into Thin Air" setting |
| FADES | Vanishes into thin air |
| EVEREST | "Into Thin Air" peak |
| MTEVEREST | "Into Thin Air" locale (abbr.) |
| EVEREST | Krakauer's "Into Thin Air" locale |
| VAPORS | They vanish into thin air |
| VANISHED | Went "poof" into thin air |
| EVEREST | Subject of the 1997 best seller "Into Thin Air" |
| MTEVEREST | Subject of the 1997 best seller "Into Thin Air" |
