The shadow city

The second book in an epic middle grade series full of awesome elemental powers, nightmarish creatures, and nonstop adventure that will thrill kids who love Avatar: The Last Airbender, Rick Riordan, and Brandon Mull.Five elements. Two worlds. One city...and one chance to save it.In the past two weeks, Gabe Conway has fought a six-winged dragon, bound himself to the element of fire, and rescued one of his best friends from the twisted parallel dim...