The Princess and the Unicorn is a children's fantasy novel by British-born American author Carol Hughes, who also wrote Jack Black and the Ship of Thieves.

[1] The novel was published in hardcover on February 24, 2009, by Random House Books for Young Readers.

[2] This novel follows two characters: Princess Eleanor of England and a young fairy named Joyce.

One day, Joyce follows the unicorn to the edge of the forest and is spotted by Princess Eleanor.

The princess chases her inside and finds the unicorn, only to take it home with her to Swinley Castle.