A Quiet Teacher is a 2022 crime thriller novel by Scottish-Nigerian writer Adam Oyebanji published by Severn House. Oyebanji's second novel and first crime-thriller, the story centres on Greg Abimbola, an ex-spy who settles as a high school teacher. == Background == Adam Oyebanji, who was born in Scotland, works in counterterrorist financing having graduated from Birmingham University and Harvard Law School. In April 2022, he published his debut novel, Braking Day, a science fiction novel. In …