简介：A mathematician and author, Luke Williams, is travelling up to London on a train when he meets a old lady, Lavinia Fullerton, who is also going to London, to Scotland Yard. Lavinia
岑勇康,凯利·麦克,克里斯·沙利文,Anthony E. Cabral,Richard Cotovsky,Jeff Dlugolecki,Jennifer Jelsema,Thomas Kosik,Steve Pringle,Madrid St. Angelo,詹姆斯·斯旺顿,Preston Tate Jr.,贾斯汀·维尔伯恩,Michael B. Woods,Arif Yampolsky
