Sometimes undercover work as a Librarian involved posing as a rich socialite, and the Librarian in question got to stay at expensive hotels and country houses. All while wearing appropriately high fashion and dining off haute cuisine, probably on gold-edged plates. At other times, it involved spending months building an identity as a hardworking menial, sleeping in attics, wearing a plain grey woollen dress, and eating the same food as the boys. She could only hope that her next assignment wouldn’t involve endless porridge for breakfast.