BD operated the Plodding Pony Service, a high-value freight service over much of Oregon.
BD was introduced as a coreligionist of the Wiccans at a dinner; BD was not identified by name but was described as a square-faced blond woman with a teenage daughter.
BD was present in the nemed and had a vision of a Zulu witchfinder rite being held in Africa.
BD ran a cargo of weapons into Pendleton for the Dúnedain Rangers. Later, she stood with the Rangers when their attack went poorly and escaped with them to a hill where they were rescued by Tiphaine Rutherton.
BD (and the Kyklos) were created by a fan, Kier Salmon. The story, in which BD is the protagonist, provides information about why Mathilda Arminger has no siblings.