Overlooked by history for centuries, Gráinne Ní Mháille has acquired near-mythic status in recent years. Schoolchildren learn about her, and her colourful life has given rise to interpretations of all kinds, from non-fiction to graphic novel to drama and music. But her extraordinary exploits and bravado have hogged the limelight, and until now there has not been a novel that seeks to present her as a woman with an inner life.