Lost Princess 

For as long as Olga can remember, she's dreamed of setting sail and chasing down the hidden treasure that her father always told her about. But after her father and older brother go missing at sea, that dream seems like it too will be lost forever. That is, until pirates charge into her quiet English village, turning everything upside down! Now with a rag-tag team of sailors, can Olga finally unravel the mysteries of her family's disappearance and discover the treasure she always dreamed of?