Emily Bliss

Unicorn Princess Bloom asks the human girl Cressida to help with final preparations for her birthday party, but when they discover quails destroying the party decorations and realize that the invitation to Princess Bloom's best friend has gone astray, they fear the celebration will be ruined.

Ernest the wizard lizard's spell allows Princess Flash to join Princess Feather and Cressida on a trip to the Wing Realm but when the spell goes wrong, Cressida must find a way to get them home.

Welcome to an enchanted land ruled by unicorn princesses!
Cressida Jenkins, a unicorn-obsessed girl who is sure that unicorns are real, is invited to visit, and readers will be thrilled to journey to the Rainbow Realm along with her! In each story, Cressida is called to help a unicorn princess and her sisters in a magical adventure.
When Princess Moon invites Cressida to the annual Starlight Ball in the Night Forest, she can't...

Welcome to an enchanted land ruled by unicorn princesses! Cressida Jenkins, a unicorn-obsessed girl who is sure that unicorns are real, is invited to visit, and readers will be thrilled to journey to the Rainbow Realm along with her! In each story, Cressida is called to help a unicorn princess and her sisters in a magical adventure.
Princess Breeze invites Cressida to the Blast—a special day where all the unicorn princesses ride huge...

After one of Ernest the wizard-lizard's spells goes awry, draining color from Princess Prism and her domain, the unicorn princesses call on the human girl Cressida to help Prism locate the Valley of Light's missing rainbow so she regain her magic and repaint the land and creatures.

Princess Breeze invites her human friend, Cressida, to attend the Blast, a festival featuring kite flying, but the wizard-lizard, Ernest, has blundered again and now giant bats sleep on the kites.