Love the title, but now having finished the book it's as if the author thought up the almost-too-clever title first and tried to put a story behind it second. There's a touch of the supernatural in this novel with Rose, the protagonist, possessing the rather extraordinary skill of divining people's emotions and psychological well-being through the food they harvest or prepare. Rose first notices her mother's emotion in her rendition of a birthday cake (hence the title of the book), and as she matures it is nearly impossible for Rose to swallow any food that has bitter emotions associated with it, and she survives adolescence by frequenting the school's snack machine with all its industrially-manufactured snacks (and no human hands involved, and thus no poisoned emotion), but what teenager doesn't survive the teen years on twinkies? Well, okay, Rose's unusual talent was an interesting plot device, but it goes to the next level or extraordinary when she become...