Signed first edition of Thomson's third collection of Sherlockian pastiche stories, from a lost manuscript transmitted to the author by a distant relative of Dr. John H. Watson.

First printing, uncorrected proof copy of Thomson's third collection of Sherlockian pastiche stories, from a lost manuscript transmitted to the author by a distant relative of Dr. John H. Watson.

First printing of this exceptional pastiche of seven untold cases "found" in the tin dispatch box mentioned in THE PROBLEM OF THOR BRIDGE.