on his own, the more his mind slips toward insanity. But he pushes on, following the trail left by the wolf he tracks. Gavin, the son of Robert Livingstone. The half-brother of Gordo Livingstone. What Carter finds will change the course of the pack forever. Because Gavin's history with the Bennett family goes back further than anyone knows, a secret kept hidden by Carter's father, Thomas Bennett. And with this knowledge comes a price: the sins of the fathers now rest upon the shoulders of their sons. Brothersong is the fourth and final book in the beloved Green Creek series by bestselling author TJ Klune. Start the journey with Wolfsong. Praise for TJ Klune: ?Like being wrapped up in a big gay blanket' - V. E. Schwab, author of The Invisible Life of Addie LaRue ?A radiant treat' - Locus Magazine