During her research for Here Be Dragons, the first book in the series, she became fascinated with the complexity of the role of women in medieval society; for example, Welsh women at the time had a great deal more independence than the English women.
Under reseacharbetet med Here Be Dragons, den första boken i serien, fascinerades hon av komplexiteten i kvinnors roll i det medeltida samhället, de walesiska kvinnorna hade exempelvis mycket större självständighet än de engelska.