Upon a Tide of Wintry Morn (Ashen Twilight Series 1.5)

 Prequel to Within the Shadows of Mortals (Book 2 in the Ashen Twilight Series) 

A greater threat looms over the three houses as they move westward for a better life. Shades of the past return as Ariya senses a connection between Alexandru Drago and his prince, Vlad Tepes III aka Vlad Dracul, as she relives their conspiracy to take the throne of Wallachia using a secret army. At the same time, Jace relives his father's burial in the Highlands of Scotland and muses over living with Ariya in the Aziza fairy realm. 

(Also includes an excerpt of A Kiss of Ashen Twilight, Book 1 in the Ashen Twilight series)