Princess Magnolia is ready for the best birthday ever, complete with a beautiful dress and a sparkly array of princess guests. But there is a secret hidden in the broom closet: whenever her monster alarm goes off, Princess Magnolia ditches her glass slippers to become the Princess in Black! Just as the party is getting started, the dreaded monster alarm rings. Princess Magnolia must rush to the goat pasture to stop a hungry monster before it can cause trouble. She manages to save the day, but every time she returns to her party, the alarm rings again. With each secret mission, keeping her superhero identity hidden from her suspicious friends becomes a hilarious challenge. Can the Princess in Black defeat the monsters and save her perfect party before the other princesses discover her secret? This funny, fast-paced adventure is filled with slapstick humor and action that will keep you cheering for the world’s most unexpected hero.