The Skull of the World (The Witches of Eileanan, #5)

In the land of Eileanan, the Pact of Peace has not meant the end of unrest. Isault and Lachlan must continue to deal with their military position in Tirsoilleir—where a spy has compromised their tactical secrets, leaving them at a tremendous loss. Isabeau the witch longs to rejoin her sister and her home in these uncertain times, but she must first complete one last task for her teachers. To find her true purpose in life, she must reach the Skull of the World and listen to the silent words of the White Gods. Few survive. But those who do are changed forever. Now, when she does return home, she does so with an extraordinary gift. But when Margrit of Arran decides to take advantage of Lachlan's absence by kidnapping his son and heir to the throne, Isabeau must learn to use her gifts in the face of evil—and overcome her enemy once and for all.

In the land of Eileanan, the Pact of Peace has not meant the end of unrest. And, though Isabeau would like to return home to help her family in these uncertain times, she must first venture to the Skull of the World where she will discover her true talents as a witch. And when she does return home, she does so transformed with the power to overcome her family's enemies once and for all.

In the land of Eileanan, Isault and Lachlan join forces to uncover the identity of a spy who has compromised their tactical secrets, while Isabeau the witch struggles to find her true purpose in life and reach the Skull of the World in order to listen to the silent words of the White Gods