She was born in Hackney but is of Jamaican origin. She used to be a journalist and has written scripts for Theatre Royal Stratford. She has been on the judging panel for Dahl Poetry Foundation and currently runs poetry workshops for schools. Miriam was born and brought up in St Albans, Hertfordshire and studied an Illustration degree at Bristol, achieving a 1st class honours in 2003. Wheelie Girl, her first book, was part of her final degree show and attracted a lot of interest from agents. Since graduating, Miriam has moved to Devon where she is already working on her next book.