Deirdre Sullivan is a YA writer from Galway. She has written four novels, The Primrose Leary Trilogy (Prim Improper, Improper Order and Primperfect) and Needlework, which was awarded a White Raven. Her work has been shortlisted for the CBI awards and the BGE awards. Her fifth book, a collection of fairy-tale retellings called Tangleweed and Brine will be released later this year. She has also ghost-written a number of books in the Nightmare Club series for younger readers.