| Publisher Series | Penguin Crime |
| Publisher | Penguin Books Ltd |
| First Published by | Methuen |
| Printed and Bound by | N.V. Drukkerij |
| Copyright Holder | Ronald Knox |
| Cover/Jacket Design by | Romek Marber |
| Format | Paperback |
| Language | English |
| Location | UK |
| This Edition Published | 1964 |
| Copyright | 1928 |
| Pages / Font | 202 pages |
| Series Number | C1741 |
| Price | 3'6 |