Silvertongue book by Charlie Fletcher

The city of London is in the middle of one of its most destructive wars in history. And yet most of its inhabitants don't even know it. The battle between the statues and gargoyles of London rages on. The stakes are high, with the spits engaged in a struggle against the evil taints that will determine the fate of their very souls. Twelve year old George Chapman and his friend Edie are caught in the middle. A glint with the ability to "see" the past, Edie has become a crucial asset in the ongoing war. The Gunner, a statue of a World War I soldier, continues do his part to help them in their quest. But George knows that he is the one who must play the biggest role in helping to bring an end to the war. With the Walker intent on forcing his evil designs on London and the world, George realizes that his destiny is inextricably tied to the Walker's destruction. In the end, the most important soul he manages to save might just be his own. Filled with intriguing suspense, invigorating action sequences, and well developed characters, Silvertongue is a thrilling conclusion to the international blockbuster Stoneheart trilogy.