Modern Faerie Tales Trilogy by Holly Black (boxed set)

When Kaye saves an injured faerie knight, her life changes for ever. For she will soon become an unwilling pawn in a power struggle between two rival faerie kingdoms.

Elsewhere, Valerie has run away and taken up with squatters. When Val is talked into tracking down a mysterious creature, she’s drawn into a world she never knew existed.

As Kaye and Val delve deeper into the realm of faerie, can they save themselves from the dark magic of the fey courts and protect their hearts?