Alphabet of Dreams
Susan Fletcher

Then they discover that Babak has a strange gift: If he sleeps with an item belonging to someone, he can know that person's dreams. Mitra believes that they can use this gift to find passage back to the city of Palmyra and their remaining kinsmen. But soon Babak and his abilities come to the attention of a powerful Magus -- one who has read portents in the stars of the coming of a new king and the dawn of a new age. Soon Mitra and Babak find themselves on the road to Bethlehem...
The acclaimed author of Shadow Spinner returns to ancient Persia in this spellbinding saga -- a tale filled with the color of the caravansaries and the heat of the desert, a tale that reimagines the wonder and spirit of a lost age.