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 . THE RIDDLE CLUB BOOKS By ALICE DALE HARDY Individual Colored Wrappers . Attractively Illustrated .