Shannon Hale

Who says princesses can't wear black? When trouble raises its blue monster head, Princess Magnolia ditches her flouncy dresses and becomes the Princess in Black.
Princess Magnolia is having hot chocolate and scones with Duchess Wigtower when . . . Brring! Brring! The monster alarm! A big blue monster is threatening the goats! Stopping monsters is no job for dainty Princess Magnolia. But luckily Princess Magnolia has a secret —

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Even monster-battling princesses get tired sometimes! But a peaceful time away is hard to find in the fourth book of the New York Times best-selling series.
After battling monsters all night, a sleepy Princess in Black decides that she needs a vacation. After all, the Goat Avenger has offered to protect the goats while she's away. The very next day Princess Magnolia rides her bicycle to the seaside, where the air is salty, the

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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

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The Princess in Black takes a vacation: After battling monsters all night, a sleepy Princess in Black decides that she needs a vacation. After all, the Goat Avenger, a new hero who looks oddly familiar, has offered to protect the goats while she takes a much needed break. The very next day Princess Magnolia rides her bicycle to the seaside, where the air is salty, the sun is shiny, and the sea is as blue as monster fur. But just as Princess Magnolia...

It's a case of monstrous cuteness in the third book of the New York Times best-selling series as the Princess in Black encounters a new challenge: a field overrun by adorable bunnies.
Princess Magnolia and her unicorn, Frimplepants, are on their way to have brunch with Princess Sneezewort when Princess Magnolia's glitter-stone ring rings. The monster alarm! After a quick change in the secret cave, Princess Magnolia and Frimplepants

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Kitty helps her best friend Unicorn accomplish his dream of being a mermaid, but despite an elaborate DIY mermaid tail, the friends' trip to the beach does not go as planned and Unicorn's insecurities emerge.

"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...

After Doreen uses her extraordinary powers to stop a group of troublemakers she becomes a full-fledged superhero called Squirrel Girl.

When a goo monster crashes the science fair, the Princess in Black is on the job, and with the help of the Princess in Blankets, sets out to save the science fair.

Kitty is excited to throw a kitty-corn party but becomes frustrated when newcomer Puppy messes up the decorations, ruins the gift Kitty made, and worst of all, he takes up all of Unicorn's attention.