Fergus Hume was renowned as the bestselling mystery writer of Victorian times after his first book, The Mystery of a Hansom Cab, broke all records. In 1901 he returned to form with this ingenious tale, selected to represent Hume’s prolific output by Collins’ Detective Club panel in 1930.Cicero Gramp was, according to himself, a ‘professor of elocution and eloquence’ – to anyone else he was no more than an engaging and extremely craft vagabond. Hence it was that he found himself awakened from his...