Mary Jekyll, alone and penniless following her parents' death, is curious about the secrets of her father's mysterious past. One clue in particular hints that Edward Hyde, her father's former friend and a murderer, may be nearby, and there is a reward for information leading to his capture, a reward that would solve all of her immediate financial woes. But her hunt leads her to Hyde's daughter, Diana, a feral child left to be raised by nuns. With...

"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...