Rosemary Sutcliff 
Armourer’s House [EPUB ebook] 

If only she’d been born a boy, Tamsyn would never have been sent away to Uncle Gideon’s — the armourer’s — house when her grandmother died. She could have stayed by the wild sea that she loved with her Uncle Martin, the ship merchant.But instead, she is bound for busy, bustling Tudor London, and the armourer’s house, far from the coast and far from her beloved ships. Homesick and lonely in the loud family of cousins, it isn’t until she meets the strange old Wise Woman that Tamsyn is finally promised her "heart’s desire"…