The Shadowlands: A Branches Book (the Last Firehawk #5)

The magical Ember Stone is almost complete! There is only one piece left to find. But Thorn's darkness is spreading faster than ever! Tag, Skyla, and Blaze must cross the dangerous Shadowlands to find the last piece. What-or who-will they meet along the way? Can the friends complete the stone in time to save Perodia?