Grisha is a dragon in a world that's forgotten how to see him. Maggie is a unusual child who thinks she's perfectly ordinary. They're an unlikely duo-but magic, like friendship, is funny. Sometimes it chooses those who might not look so likely. And magic has chosen Grisha and Maggie to solve the darkest mystery in Vienna. Decades ago, when World War II broke out, someone decided that there were too many dragons for all of them to be free. As they...