Harriet Muncaster is the internationally Best-selling author of the series Isadora Moon, which has sold over four million copies worldwide in 37 languages since it first published in 2016. Harriet studied Illustration at Norwich University College of Art and completed a master’s degree at Anglia Ruskin University.

Harriet is also the author of the Mirabelle and Emerald young fiction series, both of which are set in the world of Isadora Moon, and the Victoria Stitch series for children aged 9+.