Dead Giveaway — Joanne Fluke

In the Nevada mountains, an avalanche traps the residents of a luxury building indoors -- while a killer walks among them -- from the New York Timesâ€"bestselling author.
 
One By One . . .
 
Ellen Wingate thinks she's hit the jackpot when she learns the millions she's inherited come with a super-exclusive condo in the mountains outside Las Vegas. But leaving Minnesota for paradise turns out to be the ultimate nightmare. When she's trapped with her neighbors in a freakish winter avalanche, a chilling discovery at the bottom of an indoor pool signals a frightening turn of events.
 
Until There Were None
 
A ruthless killer has infiltrated the Deer Creek Condos. With each killing more terrifying than the last, the panicked survivors face almost certain death. Their only hope is to band together to escape the unrelenting pursuit of a deadly intruder, but trusting each other could be their most fatal instinct . . .