Sue Mongredien was born in 1970 and grew up in Nottingham, England. She has published over 100 children's books, including the following series: The Adventures of Captain Pugwash, The Magic Key, Frightful Families, and Oliver Moon. She has also contributed many titles to the Sleepover Club series and written picture books. Mongredien created the Royal Ballet School Diaries under the pen name Alexandra Moss. She lives with her family in Bath, England.