It’s a case of monstrous cuteness as the Princess in Black encounters her biggest challenge yet: a field overrun by adorable bunnies. Princess Magnolia and her unicorn, Frimplepants, are on their way to have brunch with Princess Sneezewort, an occasion Frimplepants enjoys more than anything in the world. But just when he can smell the freshly baked bread and the heaping platters of sugar-dusted doughnuts, Princess Magnolia’s glitter-stone ring rings. The monster alarm! After a quick change in the secret cave, Princess Magnolia and Frimplepants are transformed into the Princess in Black and her faithful pony, Blacky. But when they get to the goat pasture, all they can see is a field full of darling little bunnies nibbling on grass, twitching their velvet noses, and wiggling their fluffy tails. Where are the monsters? Are these bunnies as innocent as they appear?

The Princess in Black investigates when a monster disrupts her playdate with Princess Sneezewort, but she'll need the help of her friend to catch the shapeshifting creature.

It's mayhem at the science fair! A squishy goo monster is a challenge for the Princess in Black -- but luckily some science-loving princesses are on hand to help. Princess Magnolia is excited. Excited and nervous. She's going to the Interkingdom Science Fair today to present her poster about seeds and plants, and when she arrives, she sees that her friends are there too! Princess Honeysuckle made a mole habitat, Princess Sneezewort has built a blanket fort, and Tommy Wigtower has a talking volcano that's saying "EAAAAT!" Wait, what? A surprise goo monster makes this a job for the Princess in Black, and the Princess in Blankets is on the scene to lend a hand. But will two masked heroes be enough to save the science fair? A little scientific problem-solving -- and a lot of princess power -- will make the sixth entry in the New York Times best-selling series a smash hit.

Something smells like trouble! Can five princess heroes and one Goat Avenger pool their talents to vanquish a monstrous stink? The Princess in Black is in a very stinky situation. A foul cloud is plaguing the goat pasture, and it smells worse than a pile of dirty diapers or a trash can on a hot summer day. But every time the Princess in Black and her friend the Goat Avenger manage to get rid of the odor, they accidentally blow it to another kingdom! Other masked heroes and their trusty companions show up to help, but how do you battle a stench when your ninja moves fail? Fans with a nose for slapstick will be tickled to see the six stalwart friends join their wits to take on an impossibly beastly stink.

With a noisy giant crashing around the kingdom, the Princess in Black uses the Sparkle Signal to call ALL her heroic friends together - for the biggest adventure yet. The Princess in Black is ready for her snowy playdate with the Goat Avenger and the Princess in Blankets. It's a perfect day to build snow monsters and battle them for practice. But just when they're about to wage battle, a huge foot smashes their snow monster. "SQUASHY!" It's a giant, and it's smashing everything in its path! The giant is too strong for the three friends, so the Princess in Blankets has an idea: it's time to light the Sparkle Signal and summon help. With a rising crescendo of a plot and a delightfully surprising ending, the latest adventure in the New York Times best-selling series features all the Princess in Black's friends as heroes for the first time.

There's trouble under the sea! Can the Princess in Black and her new mermaid friend put a stop to a big blue kraken's shenanigans? The Princess in Black and her friends are enjoying a day of sun and sea on Princess Sneezewort's royal boat when a real, live mermaid princess emerges from the waves! Eeeeeee! Princess Posy needs their help protecting her very cute sea goats from being eaten by a very greedy kraken. But the princesses and the Goat Avenger quickly realize that fighting underwater can be tough for land dwellers, and only the mermaid Princess Posy can save the day. Can the masked heroes help her learn that being a princess means more than just being nice--it means speaking up? An ode to using your voice (along with a kelp-tree swing or two), this newest installment in the New York Times best-selling series is a splish-splashing good time.

When plans for a ball run a-fowl, Princess Magnolia accepts the help of a valiant new hero to save her secret decorations--and the entire evening! Princess Magnolia is at the Flower Festival prepping for the evening ball when suddenly she hears a commotion. Oh no! She isn't prepared to fight a monster or . . . a grumpy emu! To her surprise, a knight in shining armor comes to the rescue, but not before the princess's prized decorations are stomped on and destroyed. Luckily, the gallant Prince Valerian has his own secret identity--the Prince in Pink--and has been yearning for a chance to show off his special skills, with the help of some twinkle-twinkle and major glam. Glitter has been restored, but then the angry emu returns--with friends! Can the party heroes step up to save the day again? Expect the unexpected as this sparkling new entry in the New York Times best-selling series takes the floor with a flourish.