"Originally published in Great Britain in 2017 by Puffin Books."

How to set up your own detective society -- The case of Lavinia's missing tie -- Daisy's guide to detecting -- The case of the blue violet -- The golden age of detective stories with Robin Stevens -- The queens of crime -- Daisy's top detectives -- The books that made murder most unladylike -- The secret of Weston School -- The junior Pinkerton's secret world of spies -- Codebreaking with Hazel Wong -- The case of the deepdean vampire -- George's guide to unsolved mysteries -- Cream buns and crime -- The mystery of the missing bunbreak -- The great detective quiz.