Join young Sherlock in a tricky murder case! Perfect for fans of Sherlock Holmes, Arthur Conan Doyle, Anthony Horowitz and classic crime fiction. Is an inheritance a gift … or a curse? 1878 Elderly widow Mrs Orless has for some years been living off gifts from four gentlemen and each has been promised he will inherit her house. But when she dies her will, made sixteen years previously, leaves her estate to her maid Mary Ann Clatterby, a niece by marriage. The gentlemen furiously demand to search the house where they claim that a secret new will and valuables are hidden and accuse the maid of murdering her mistress. A postmortem concludes Mrs Orless died a natural death, but Sherlock Holmes is not convinced. Holmes and his good friend Mr Stamford assist the police and executor in searching the house where Holmes finds a hidden key, but nothing it will open. And then they make a horrifying discovery. In a cupboard of Halloween decorations is the mummified corpse of an unknown woman. Who was the dead woman? Was her death connected to that of the widow? Holmes and Stamford must work harder than ever before to crack this puzzling case… SHERLOCK HOLMES AND THE POWER PRINCIPLE is the tenth Victorian crime thriller in the Early Casebook of Sherlock Holmes series. 'an excellent addition to a very enjoyable series, with interesting adventures, and superb historical details. Stamford is an engaging narrator, whose modesty and self-deprecating courage makes Holmes more approachable and likeable. This is a very enjoyable read, which I definitely recommend' — Mystery People THE EARLY CASEBOOK OF SHERLOCK HOLMES SERIES: BOOK 1: Sherlock Holmes and the Rosetta Stone Mystery BOOK 2: Sherlock Holmes and the Explorers’ Club BOOK 3: Sherlock Holmes and the Ebony Idol BOOK 4: Sherlock Holmes and the Persian Slipper BOOK 5: Sherlock Holmes and the Legend of the Great Auk BOOK 6: Sherlock Holmes and the Duelling Dukes BOOK 7: Sherlock Holmes and the Mycroft Incident BOOK 8: Sherlock Holmes and the Cabinet of Wonders BOOK 9: Sherlock Holmes and the Power Principle BOOK 10: Sherlock Holmes and the Widow’s Key