European Travel for the Monstrous Gentlewoman

In the sequel to the critically acclaimed The Strange Case of the Alchemist's Daughter, Mary Jekyll and the rest of the daughters of literature's mad scientists embark on a madcap adventure across Europe to rescue another monstrous girl and stop the Alchemical Society's nefarious plans once and for all.
Mary Jekyll's life has been peaceful since she helped Sherlock Holmes and Dr. Watson solve the Whitechapel Murders. Beatrice Rappaccini, Catherine Moreau, Justine Frankenstein, and Mary's sister Diana Hyde have settled into the Jekyll household in London, and although they sometimes quarrel, the members of the Athena Club get along as well as any five young women with very different personalities. At least they can always rely on Mrs. Poole.
But when Mary receives a telegram that Lucinda Van Helsing has been kidnapped, the Athena Club must travel to the Austro-Hungarian Empire to rescue yet another young woman who has been subjected to horrific experimentation....