In This Iron Ground by Marina Vivancos

Damien is nine years old when his parents die. What should have been the worst moment of his life begins a journey shadowed by loneliness and pain. The night of a full moon, four years and seven foster homes later, Damien flees to the forest, desperate to escape everything.

Instead, he finds the Salgado pack. Damien is suddenly introduced into a world that had only ever existed in his imagination, where there is magic in the forest and the moon… Read more.