Stranger Things: Suspicious MindsStranger Things: Suspicious Minds is set before the events of the TV series and follows Eleven's mother during her time as a test subject in the MKUltra program. 'A pacey, creepy book that does what any good prequel should this is unmistakably Stranger Things' SFX Magazine A mysterious lab. A sinister scientist. A secret history. If you think you know the truth about Eleven's mother, prepare to have your mind turned Upside Down. It's the summer of