Contents: The trinity cat / by Ellis Peters - A happy solution / by Raymund Allen - The adventure of the blue carbuncle / by Arthur Conan Doyle - An Upright Woman / by H R F Keating - a book for Christmas / by Christopher Hallam - A pair of muddy shoes / by Lennox Robinson - The unknown murderer / by H C Bailey - The buoy that did not light / by Edgar Wallace - A Christmas tragedy / by Agatha Christie - The ghost's touch / by Fergus Hume - The grotto / by Pamela Sewell - The show must go on / by David G Rowlands - Red lily / by Dick Donovan - The black bag left on a doorstep / by C L Pirkis - The grave by the handpost / by Thomas Hardy - Mr Wray's cash box / by Wilkie Collins