Contents
| Page | Type | Kind | Title | Author(s) |
|---|---|---|---|---|
| Short Fiction | Fiction | The Case of the Second Blackmailer! | uncredited |
| Page | Type | Kind | Title | Author(s) |
|---|---|---|---|---|
| Interior Art | Non Fiction | The Case of the Second Blackmailer! | J. H. Valda | |
| Editor | Non Fiction | The Union Jack Library, April 15, 1927 | uncredited | |
| Cover Art | Non Fiction | The Union Jack Library, March 12, 1927 | J. H. Valda |