A Darker Shade of Magic series by V.E. Schwab
A Darker Shade of Magic (#1)
A Gathering of Shadows (#2)
A Conjuring of Light (#3)
The Checquy Files by Daniel O'Malley
The Rook (#1)
Stiletto (#2)
The City of Brass by S.A. Chakraborty (#2 comes out this fall)