Ryan Twomey is a senior lecturer at Macquarie University in Sydney Australia. He is the editor of the Norton Critical Edition of Maria Edgeworth’s Castle Rackrent, and co-editor of her juvenilia drama The Double Disguise (Juvenilia Press, University of New South Wales). In addition to this editorial work, Dr Twomey has published widely on the early writing of Edgeworth and the influence this writing had on her adult authorship.