In Maggie Stiefvater's Shiver, Grace and Sam found each other. In Linger, they fought to be together. Now, in Forever, the stakes are even higher than before. Wolves are being hunted. Lives are being threatened. And love is harder and harder to hold on to as death comes closing in.

Four children have discovered that they have spirit animals, a rare bond between human and animal that has launched them on a quest to save their world. The team heads to the forests of Eura, where another Great Beast is hidden.