The Yellow Feather Mystery has 192 pages.
The Mystery of the Yellow Room has 236 pages.
The Devil's Feather has 416 pages.
Feather Boy has 288 pages.
Scarlet Feather has 560 pages.
The Feather Men has 256 pages.
The Listerdale Mystery has 256 pages.
An Excellent Mystery has 192 pages.
A Caribbean Mystery has 256 pages.
The Regatta Mystery has 229 pages.
The Sittaford Mystery has 308 pages.
The Mystery Play has 76 pages.
The Bungalow Mystery has 210 pages.