Mystery of the Golden Horn — Phyllis A. Whitney

A STRANGE SEARCH

The mysterious “golden horn” was the key to her fortune, Vicki Stewart was told by the young gypsy she befriended in Istanbul. She was spending the summer in this fascinating, ancient city, living with her father in a real pasha's palace.

When the sign of the golden horn was revealed in Vicki's hand, the strange, beautiful Adria impelled her to pursue her destiny. It led them through the narrow, cobblestoned streets of old Istanbul, and left them stranded after dark inside the gloomy fortress of Rumeli Hsar. Vicki knew the only way out was somehow tied up with the secret of the golden horn, but she would have to solve its mysteries before danger closed in…