Forever (The Wolves of Mercy Falls, #3) by Maggie Stiefvater

then.

whilst Sam met Grace, he became a wolf and he or she became a girl. in the end he located a way to grow to be a boy, and their loved moved from a curious distance to the acute closeness of shared lives.

now.
That must were the quit in their tale. however Grace changed into now not supposed to live human. Now she is the wolf. And the wolves of Mercy Falls are about to be killed in a single final, impressive hunt.

all the time.
Sam would do something for Grace. however can one boy and one love simply change a antagonistic, predatory world? The beyond, the prevailing, and the destiny are approximately to collide in a single pure moment - a second of demise or existence, farewell or all the time.