Dickens, Drood, and Holmes.

Claude Rains as John Jasper
in The Mystery of
Edwin Drood (1935)

The University of Delaware Libraries exhibition "Dickens at 200," which runs until June 8, discusses the uncompleted Mystery of Edwin Drood, including attempts by some authors to have Sherlock Holmes solve the case and the 1914 mock trial of protagonist John Jasper that featured G. K. Chesterton as judge and George Bernard Shaw as jury foreman.