Ravensong by TJ Klune

Gordo Livingstone never forgot the lessons etched into his skin, hardened by the betrayal of a pack who left him behind. Seeking refuge in his garage in the small mountain town, he vowed to never again involve himself with wolves. But when the pack returns, bringing with them Mark Bennett, they must face a common enemy together and emerge victorious. A year later, Gordo finds himself once again a part of the Bennett pack in Green Creek, constantly struggling to ignore the connection between himself and Mark. However, time is running out and a new threat is emerging from within. Some bonds, no matter their strength, are meant to be broken. Experience the continuation of the Green Creek series with bestselling author TJ Klune's Ravensong.