Deirdre Sullivan is from Galway and is now living in Dublin, where she works as a teacher.
Her hugely acclaimed Tangleweed and Brine, a collection of feminist retellings of classic fairytales, won the Children's Books Ireland Book of the Year Award in 2018 and Young Adult Book of the Year at the Irish Book Awards 2017. Previously, her novel Needlework had won the Honour Award for Fiction at the Children's Books Ireland Awards in 2017.
Sullivan's Primrose Leary series was also widely praised; two of the Prim books were shortlisted for the Children's Books Ireland Awards; and the final one, Primperfect, was also shortlisted for the European Prize for Literature.