Joe Otterson TV ReporterAMC has officially ordered a series based on the Anne Rice “Lives of the Mayfair Witches” novels, Variety has learned.The cabler has ordered eight episodes of the show, which is titled “Mayfair Witches.” It was originally announced that AMC had opened a writers room for the series in August under their script to series model.The show will focus on an intuitive young neurosurgeon who discovers that she is the unlikely heir to a family of witches.