The Stories of Medusa: Suite Scarlett, Maureen Johnson

And you write books which break my heart. (I have a heart of diamond when reading fantasy or SF. When it comes to Contemporary, it's more like sugar brittle. You look at me, and I shatter. But still! ^_^) Scarlett's family owns a hotel in New York City, which does NOT mean they're rich. Think more "oh, by the way, we're going to have to use all the children as unpaid labour. Enjoy the summer!" School's out, and Scarlett is stuck manning the front desk and acting as maid ...