MIDNIGHT
RALPH ON THE OVERLAND EXPRESS ; or , The Trials and Triumphs of a Young Engineer . RALPH , THE TRAIN DISPATCHER ; or , The Mystery of the Pay Car . RALPH ON THE ARMY TRAIN ; or , The Young Railroader 's Most Daring Exploit . RALPH ON THE MIDNIGHT FLYER ; or , The Wreck at Shadow Valley . RALPH AND THE MISSING MAIL POUCH ; or , The Stolen Government Bonds . RALPH ON THE MOUNTAIN DIVISION ; or , Fighting Both Flames and Flood . RALPH AND THE TRAIN WRECKERS ; or , The Secret of the Blue Freight Cars .