No One Noticed the Cat (2007) is a fluffy romance/adventure, well aimed at the middle school market. Boy and girl meet. They get married. There's an evil queen. Good triumphs in the end. It's all what you would expect, with a cat providing a bit of a twist. The highs of this book aren't very high, and the lows aren't very low, giving this book a very even keel. While this book shouldn't make anyone's must read list, but if you find it available and have a few minutes, you'll have a nice time.
Like all McCaffrey books, the villain is both smart and dumb at the same time.
You may feel temped to hold realism up to the adventure, but don't. This book has all the realism of a cartoon. If you think about it too hard, you'll ruin the charm.