Lily Quench and the Search for King Dragon

Thousands of years ago, Queen Dragon's beloved fiancé, King Dragon, disappeared during the Great War of the Dragons. Now he has been found in a magical valley, cut off from the rest of the world—but nothing about the discovery is as Queen Dragon and her friend Lily Quench expected. A terrible evil threatens King Dragon and his companions. But Black Squad troops are also surrounding Lily's hometown of Ashby Water.
 
Can Lily defeat her own enemies and give Queen Dragon her last chance at happiness? And can she save her friends in Ashby in their darkest hour?