Ten high-profile sequels and prequels

Adrian Holliday
Daniel Craig as James Bond
Daniel Craig as James Bond

Today the BBC news site says that someone is writing a sequel to Ian Fleming's "Chitty Chitty Bang Bang". Not sure I'd want to raise fears about a child catcher in the current climate, but I digress. A load of other tales have been prequelled and sequelled either with or without the knowledge of the original creators: