Piper LeVine, They Call me Assassin (Volume 4)

Piper LeVine is dying. The cost of her survival is clear, she must become one of them, an Assassin. Nicholas, a Gypsy Werewolf, is evolving. His wolf is changing in dangerous ways. Between the deaths, battles, and broken promises, Piper and Nicholas are pushed to the edge. Will their love end or prove to be extraordinarily epic?