Isadora Moon is a series of books by Harriet Muncaster for children aged 5–8.[1] Each book is a stand-alone story about Isadora Moon, who is "half fairy, half vampire, totally unique!"[2] The stories celebrate her mixed family heritage,[3] and in February 2020, 300 bookshops and libraries in the UK celebrated "Isadora Moon Day".[4]
The first book was published in 2016;[3] its "supernatural take on the classic 'be yourself' narrative"[5] commenced a series that has since been translated into 30 languages[6] and has sold over 1.2 million copies globally,[4] 40% of which in Spain.[7] In 2020, Kelebek Media bought rights to animate the stories and the series started airing in 2023.[4][8] There are 19 books in the series;[9] the latest was published in March 2024.[10]