The Mysteries of Verbena House, or, Miss Bellasis Birched for Thieving is a pornographic novel of flagellation erotica set in a girls' school, written under the pseudonym Etonensis by George Augustus Sala and completed by James Campbell Reddie (co-author of The Sins of the Cities of the Plain). It was published in 1882 in a limited edition of 150 copies at the price of 4 guineas.