This month we’re discussing The Mystery of a Hansom Cab  by Fergus Hume. An unknown victim is murdered in a hansom cab in the dead of night on a lonely Melbourne street. The solution lies within a labyrinth of dark secrets, missing papers, evasive witnesses, and a deadly game of blackmail. The Mystery of a Hansom Cab was the unlikely first literary product of a young barrister’s clerk and quickly rose from its obscure initial publication to become one of the 19th century’s bestselling detective novels. 

WhoDunnits is a discussion group devoted to mysteries that follows a yearlong program of books and movies around a single topic. This year it’s historical mysteries.