Stranger Things' Millie Bobby Brown to star as Sherlock's sister in Enola Holmes film series

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The Victorian-set young adult books began in 2006 with The Case of the Missing Marquess and followed the 14-year-old sister of the already-famous sleuth Sherlock Holmes, 20 years older than Enola.

Although Enola doesn’t exist in Arthur Conan Doyle’s original Holmes works, Springer’s books lean heavily on Doyle's canon and characters: for instance, after arriving in London, Enola runs into Inspector Lestrade, who is on his way to help Sherlock with a case.

And don’t worry, unlike supervillain Eurus Holmes – Sherlock’s sister as played by Sian Brooke in the BBC’s modern adaptation – Enola isn’t out to hinder her brother’s work. Instead, in the novels, the young headstrong amateur detective is at first mainly concerned with finding her mother.

We’ll just have to wait and see if Millie Bobby Brown will solve this mystery with some Demogorgon-destroying psychic abilities alongside her newfound powers of deduction.