<p><em>Legends and worlds collide in a reimagining of folklore from the Scottish Highlands</em></p><p><br></p><p>In Caithness, in the time of faeries, Sysa Steel lives a secluded life with Grey, her grandfather.</p><p><br></p><p>That all changes when Grey takes Sysa to a faerie mound and she disappears into a strange, mysterious world.</p><p><br></p><p>Once there, Sysa discovers the truth about her family and a quest for vengeance that threatens their existence. Meeting Brodie and Lavellan complicates things, while answers seem to lie in the stories Grey told her as a child.</p><p><br></p><p>With everything at stake, Sysa must challenge the force of the Castle of Thunder.</p><p><br></p><p><em>In a world full of magic, is