If you like Enna Burning (The Books of Bayern #2)

Enna and Princess Isi became fast friends in The Goose Girl, but after Isi married Prince Geric, Enna returned to the forest. Enna's simple life changes forever when she learns to wield fire and burn anything at will. Enna is convinced that she can use her ability for good--to fight Tira, the kingdom threatening the Bayern borders--and goes on secret raids to set fire to the Tiran camps and villages. But as the power…