Book of a Thousand Days
by Shannon Hale

Popularity 39
Fifteen-year-old Dashti, sworn to obey her sixteen-year-old mistress, the Lady Saren, shares Saren's years of punishment locked in a tower, then brings her safely to the lands of her true love, where both must hide who they are as they work as kitchen maids.
FantasyDisguiseJuvenile fictionImprisonmentIdentityFictionIdentity (Philosophical concept)Children's fictionAdventure and adventurers, fictionFantasy fictionLarge type booksNobility