Mystery at Geneva: An Improbable Tale of Singular Happenings
| First published | 1922 |
|---|---|
| Publisher | W. Collins Sons |
| Format | Hardcover |
| Type | Novel |
| Pages | 259 |
| Price | 7/6 |
Price from facsimile of dust jacket. "First Impression, October, 1922" on copyright page of August, 1924 fourth impression on Archive.org; second was in December, 1922 and third was in January, 1923.