His Martian Apprentice

Sherlock Holmes is frustrated. His mind is as sharp as ever, but his body, well… old age.His doctors have recommended that he retire to Mars, where the lower gravity will be easier on him, and he'll be away from the bustle of London. But for a man like Holmes there is no let up in the demand for his services.In a strange new world, with Dr Watson and Mrs Hudson long since having departed this life...