Morrigan’s Cross by Nora Roberts

In the last days of high summer, with lightning striking blue in a black sky, the sorcerer stood on a high cliff overlooking the raging sea…
Belting out his grief into the storm, Hoyt Mac Cionaoith rails against the evil that has torn his twin brother from their family’s embrace. Her name is Lilith. Existing for thousands of years, she has lured countless men to an immortal doom with her soul-stealing kiss. But now, this woman known as vampire will stop at nothing until she rules this world—and those beyond it…$1.99 on Kindle (10/24 only).