Replete with earth magic, Ysolda confronts pirates and the elements as she races against the wolf queen in the conclusion to Kiran Millwood Hargrave's Geomancer trilogy.

Ysolda has unlocked the earth magic, and its powers are rising within her. Could she really find out what it is like to fly, or to control the creatures of the deep?

With a rebel princess by her side, she is racing against the fearsome wolf queen. But they're in for a stormy journey across the sea, facing pirates and the elements, and with the future of the whole world at stake ...