The Black Vendetta: Mademoiselle Yvonne - Consultant! Case No. 3.Paperback, 18 May 2021

"THE BLACK VENDETTA!" Here is the third of the grand series that is causing such a sensation amongst the lovers of the fascinating Mademoiselle Yvonne. In this case she takes a very active part, and, aided by her friends Sexton Blake and Tinker, brings her detective faculties to bear on a very intriguing and dangerous problem. The story of the Black Vendetta of the Trudelli family, written in the author's best vein and thrilling from start to finish, will be remembered as one of the best we have ever had.