The Lady Rogue by Jenn Bennett 

Travelling with her treasure-hunting father has always been a dream for Theodora. She’s read every book in his library, has an impressive knowledge of the world’s most sought-after relics, and has all the ambition in the world. What she doesn’t have is her father’s permission. That honour goes to her father’s nineteen-year-old protégé—and once-upon-a-time love of Theodora’s life—Huck Gallagher, while Theodora is left to sit alone in her hotel in Istanbul… Read more.