The door to Lost Pages

"On her tenth birthday, Aydee runs away from home and from her neglectful parents. ... a series of frightening, bewildering encounters with strange primordial creatures leads her to a bookshop called Lost Pages, where she steps into a fantastic, sometimes dangerous, but exciting life. Aydee grows up at the reality-hopping Lost Pages, which seems to attract a clientele that is both eccentric and desperate. She is repeatedly drawn into an eternal war between enigmatic gods and monsters, until the day she is confronted by her worst nightmare: herself"--P. [4] of cover.