The Princess in Black and the Perfect Princess Party

Today is Princess Magnolia's birthday party, and everything is going wrong. Just as her guests are arriving, the monster alarm rings! Princess Magnolia has to run to the broom cupboard, ditch her frilly clothes, and become the Princess in Black! She defeats the monster, and returns to the castle before her guests discover her secret. But every time Princess Magnolia is about to open her presents, the monster alarm rings again. It gets harder to keep the other princesses from being suspicious!