At Tor.com Carriger tagged five books where girls disguise themselves as boys, including:
To Play the Lady by Naomi LaneLearn about the other books on the list.
The first book in a (sadly) unfinished series. It features many of the things I love about a girl playing a boy, although in this story our low class tomboy from another culture must play at being both a noble lady and a stable lad. Politics force Jenna to assume this double act, hiding her magical abilities and her manly skills. If discovered, Jenna will bring shame and destruction down upon her family, her nationality, and her entire social caste. For Jenna, the stakes are very very high indeed.
Also see: Ten of the best literary men dressed as women.
--Marshal Zeringue