Thanks to MaryAn Charnley, Anne Dow, Elisabeth Hadden and Isabelle Plews for reading and advising.
Thank you to Jennifer Hadden, Sophie Hadden and Iain Lamont for their professional expertise.
And thank you to the helpful staff at the University of Edinburgh Library and the National Library of Scotland for allowing me to peruse their archives.
Finally, thanks as ever to my agent Jenny Brown for her encouragement and support, and thank you to Julie Fergusson for her insightful editing.