BBC Studios, the commercial arm of British broadcaster BBC, and the Agatha Christie estate have teamed up to launch a writing course on education-focused streaming service BBC Maestro taught by Christie herself. Well, to be precise, it is taught by the queen of crime, brought to life by actress Vivien Keene and AI, using the author’s own words.

“In a world first, Agatha Christie — best-selling novelist of all time — will be offering aspiring writers an unparalleled opportunity to learn the secrets behind her writing, in her own words,” the partners said. “Using meticulously restored archival interviews, private letters and writings researched by a team of Christie experts, this pioneering course reconstructs Christie’s own voice and insights, guiding you through the art of suspense, plot twists and unforgettable characters.”

The partners unveiled news of “Agatha Christie Writing” in London on Wednesday, describing it as “the first-ever collaboration of its...