The Detection Club, Victor L. Whitechurch, G D H, Henry Wade, Agatha Christie, Cecil John Charles Street, Milward Kennedy, Dorothy L. Sayers, Ronald Arbuthnott Knox, Freeman Wills Crofts, Edgar Jepson, Clemence Dane, Anthony Berkeley, Simon Brett, Gilbert Keith Chesterton · First published 1931
![Cover of Instructor's manual to accompany Chemistry, science of change [by] Oxtoby, Nachtrieb, Freeman](https://covers.openlibrary.org/b/id/12533742-M.jpg)
