"Union Station (Washington, D.C.)" . . "Railroad trains Juvenile fiction." . . "Railroad trains Fiction." . . . . "Railroad stories." . . "JUVENILE NONFICTION / General" . . . . "Juvenile works" . . "The great train mystery"@en . "The great train mystery" . . . . . . . . . "Electronic books" . . "\"Christina, Grant, Mimi, and Papa go 'All aboard!' Papa's borrowed train for a fast-adventure across America -- and try to keep from being 'derailed' by mysterious mishaps, spooky surprises, and -- oh, it's so dark in here! -- those treacherous tunnels!\" -- P. [4] of cover."@en . . "Mystery and detective stories" . . . . . "\"Christina, Grant, Mimi, and Papa go \"All aboard!\" Papa's borrowed train for a fast-adventure across America -- and try to keep from being \"derailed\" by mysterious mishaps, spooky surprises, and -- oh, it's so dark in here! -- those treacherous tunnels!\" --P. [4] of cover." . "Detective and mystery stories"@en . "Fiction" . "Mystery and detective stories." . .