The Reluctant Alpha by Susi Hawke

Matthias Longclaw is happy living his life on the back of his beloved Harley with his five best friends and brothers-in-arms at his side. The West Coast Wolves are a rare pack of alphas, made up of unwanted orphans and second-born sons. The packs they were born to may not have wanted them, but they’ve built a solid family of their own. They help where they can, doing random acts of kindness and expecting nothing in return, just helping to build a world they want to live in. Then Matt gets a call from an old childhood buddy. He’s being called back—begged to return—to reclaim his birthright and save a life in the process… Read more.