Mystery Book of the Month – August 2021

All murder mysteries follow a simple set of rules. In the 1930s, Grant McAllister, a mathematics professor turned author, worked them out, hiding their secrets in a book of crime stories. Then Grant disappeared… ’So, so clever. A twisty story and an education in the maths of murder mysteries, Agatha Christie would take her hat off to this one - bravo!’ – Sarah Pinborough