Gareth Rubin’s new novel Holmes and Moriarty (Simon & Schuster, £18.99) has a mouth-wateringly ingenious premise: Professor ...

Writer-director Chris Sanders adapted Peter Brown’s middle-grade novel about a smart robot (voiced by Lupita Nyong’o) ... a medical drama and Sherlock Holmes.

Holmes’ ardent followers know he has zero interest in women – save for The Woman, i.e. Irene Adler – but the serialized nature of Doyle’s mysteries makes it an easy launch for spinoffs.