DD5 loves the entire Harry Potter series (expensive, but SO worth it), Malory Towers, by Enid Blyton - super cheap, the entire series on iTunes. she's a little past The Wombles and The Hobbit, but really loved them both. i'm sure she'll come back to The Hobbit when we read LOTR.

Every Sunday it brooded and lay on the floor. Inconveniently close to the drawing-room door.