Ruin & Rising – Leigh Bardugo

Blurb:The capital has fallen.The Darkling rules Ravka from his shadow throne.Now the nation's fate rests with a broken Sun Summoner, a disgraced tracker, and the shattered remnants of a once-great magical army.Deep in an ancient network of tunnels and caverns, a weakened Alina must submit to the dubious protection of the Apparat and the zealots…

Lock Every Door – Riley Sager

Blurb:They’ve offered you a luxury apartment, rent free. THE CATCH: you may not live long enough to enjoy it…No visitors. No nights spent away from the apartment. No disturbing the other residents.These are the only rules for Jules Larson's new job as apartment sitter for an elusive resident of the Bartholomew, one of Manhattan's most…