Eye of Truth. The Grey Riders, #2

Fresh from their victory over the evil Ja'al cult in Whitehorse Peak, Dar Cabot and his friends set out to unravel the meaning of the mysterious prophecy of the Song of the Grey Riders, a poem that predicts heroism, calamity, and a clash of Darkness and Light - One Dark Rider fighting Seven of Grey. However, their efforts are interrupted by new dangers linked to events from their pasts: Andyn's husband's murder and the betrayal of Buck Bydecy by an old friend.
Pursued by sinister Dark Elves allied with the Ja'al, the Grey Riders have to find a way to clear Buck's name and defeat Andyn's nemesis. Meanwhile, Megan and Brandawyn Alenar, sent on a secret mission to the south, run into problems of their own in tracking down ancient secrets that could lift the oppressed people of their homeland out of tyranny. But the the Dark Rider, an undead sorcerer-princess, lurks in the shadows, her plots and schemes designed to doom them all...