The Strange Case of the Alchemist's Daughter is a captivating alternative history mystery novel written by Theodora Goss. The story brings together famous characters from classic literature, including Mary Jekyll, Diana Hyde, and Sherlock Holmes, as they investigate a series of gruesome murders in Victorian London. As they delve deeper into the mystery, they uncover a dark secret that connects their own origins. With its clever blend of literary references, engaging characters, and a thrilling plot, The Strange Case of the Alchemist's Daughter offers a fresh take on the alternative history and mystery genres.