The actual story is not about the Mad Skillz of the heroine and hero. The story revolves around reputations, when they are deserved, when they are not, when they have been cultivated, when it is impossible to evade them, when they are unfairly imposed upon a character because of their association with someone else, etc. The heroine, having been raised in a very protected community and recently allowed out to explore The Real World makes a series of understandable errors in judgment as she tries to navigate the social landscape. Along the way, the author gets in a lot of digs at conventions of the genre (sf/fantasy, but also detective stories revolving around the efforts of Amateurs).
In addition to the fascinating possibilities offered by the varying perceptions of any given character by any other given character, Moore spends a substantial amount of time on how Our Heroine perceives herself, and how that is often at odds with Reality, defined variously, but principally by how she interprets her speech and actions, and how relatively unbiased others -- whether other characters or the reader -- interpret her speech and actions. Moore even takes a whack at showing how Lee's perceptions of herself change over time (sometimes oscillating wildly over the space of a paragraph or two -- moments in the story's time frame).
Really good stuff. A reader might be thinking, oh, god, not another angsty-fantasy novel I don't think I can stand it. But it's NOT angsty. It's light comedy. It's funny. It's self-deprecating. It's _really really good_. I've ordered the (first?) sequel and am looking forward to it.