Rupert of Hentzau [by] Anthony Hope [pseud.] being the sequel to a story by the same writer, entitled The prisoner of Zenda

"A MAN who has lived in the world, marking how every act, although in itself perhaps light and insignificant, may become the source of consequences that spread far and wide, and flow for years or centuries, could scarcely feel secure in reckoning that with the death of the Duke of Strelsau and the restoration of King Rudolf to liberty and his throne, there would end, for good and all, the troubles born of Black Michael's daring conspiracy."