The Pale Horse / The Big Four / The Secret Adversary
| Book | The Pale Horse |
| Publisher | Paul Hamlyn Ltd |
| Publisher Series | Agatha Christie Crime Collection |
| Typeset by | St Paul's Press Ltd |
| Printed by | International Printers Limited |
| Series | Ariadne Oliver, Hercule Poirot, Tommy & Tuppence |
| Format | Hardback |
| Language | English |
| Location | London |
| Copyright | 1970 |
| Copyright | 1962 |
| Copyright | 1927 |
| Copyright | 1922 |
| Pages / Font | 511 pages |
| SBN | 6007 66 160 |
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